### Editors

- Dragan Djordjević, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Vladimir Rakocevic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Mića S Stanković, Faculty of Sciences and Mathematics, University of Niš, Serbia

### Section Editors

- Dragan Djordjević, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Miroslav Ćirić, University of Niš Faculty of Sciences and Mathematics Department of Mathematics and Computer Science Višegradska 33, P. O. Box 224, 18000 Niš, Serbia
- Svetlana Jankovic, Faculty of Sciences and Mathematics, University of Nis,
- Miljana Jovanovic, University of Nis, Faculty of Sciences and Mathematics
- Dragana Cvetkovic Ilic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Dejan Ilic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Ljubisa Kocinac, Professor Emeritus Faculty of Sciences and Mathematics, University of Nis
- Vladimir Dragovic, Mathematical Institute, Serbian Academy of Sciences and Arts, Belgrade, Serbia,
- Miodrag Mateljevic, Faculty of Mathematics, University of Belgrade, Belgrade, Serbia
- Jelena Manojlovic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Predrag Stanimirovic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Yimin Wei, Department of Mathematics and Laboratory of Mathematics for Nonlinear Sciences, Fudan University, Shanghai, P.R. China
- Vladimir Rakocevic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Naseer Shahzad, Department of Mathematics, King Abdulaziz University, P O Box 80203, Jeddah 21589, SAUDI ARABIA, Saudi Arabia
- Prof. Dr. Hari M. Srivastava, Ph.D., D.Sc. (h.c.), D.Sc. (h.c.) Department of Mathematics and Statistics, University of Victoria, Victoria, British Columbia V8W 3R4, Canada Web Site: http://www.math.uvic.ca/faculty/harimsri/, Canada
- Ljubica Velimirovic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia,
- Dijana Mosic, Faculty of Sciences and Mathematics, University of Nis, Nis, Serbia
- Robin Harte, Trinity College, Dublin 2, Ireland, Ireland
- Bhagwati Duggal, United Kingdom
- Gradimir Milovanovic
- Mohammad Sal Moslehian, Section Editor of Filomat, Iran, Islamic Republic of
- Eberhard Malkowsky, Department of Mathematics, University of Giessen, Arndtstrasse 2, D–35392 Giessen, Germany Department of Mathematics, State University Novi Pazar, Vuka Karadzica bb, 36300 Novi Pazar, Serbia, Germany
- Vladimir Muller, Institute of Mathematics of the Academy of Sciences of the Czech Republic, Praha, Czech Republic
- Vasile Berinde, Department of Mathematics and Computer Science North University Center at Baia Mare Technical University of Cluj-Napoca Romania, Romania
- Pietro Aiena, Dipartimento di Metodi e Modelli Matematici, Palermo, Italy
- Woo Young Lee, Seul National University, Department of Mathematics, Korea, Republic of
- Adrian Petrusel, Babes-Bolyai University Cluj-Napoca
- Francesco Belardo, University of Naples "Federico II", Italy
- Erdal KARAPINAR, China Medical University, Taichung, Taiwan, Taiwan, Province of China
- Snezana C. Zivkovic-Zlatanovic, University of Nis
- Mića S Stanković, Faculty of Sciences and Mathematics, University of Niš, Serbia
- Marko Petkovic, Faculty of Sciences and Mathematics, University of Niš, Serbia
- Calogero Vetro, Università degli Studi di Palermo, Dipartimento di Matematica e Informatica, Italy
- Teresa Alvarez Seco, University of Oviedo, Spain
- Marko Nedeljkov, University of Novi Sad, Faculty of Science, Department of Mathematics and Informatics, Serbia, Serbia
- Dora Selesi, Faculty of Sciences, University of Novi Sad, Serbia
- YILMAZ SIMSEK, AKDENIZ UNIVERSITY ANTALYA-TURKEY, Turkey
- Maria Alessandra RAGUSA, Dipartimento di Matematica e Informatica, Università di Catania, Viale Andrea Doria, 6, 95125 Catania,, Italy
- Allaberen Ashyralyev, Prof. Department of Mathematics, Bahcesehir University, Yıldız, Çırağan Cd., 34349 Beşiktaş, Istanbul,Turkiye; Visiting Prof. Peoples Friendship University Russia, Ul Miklukho Maklaya 6, Moscow 117198, Russia and Institute of Mathematics and Mathematical Modeling, 050010, Almaty, Kazakhstan, Turkey
- Paola Bonacini, Associate Professor Department of Mathematics and Computer Science University of Catania Catania, Italy, Italy
- Professor Fuad Kittaneh, University of Jordan, Jordan, Jordan
- Aleksandar Nastić, Faculty of Sciences and Mathematics, University of Nis, Serbia
- Biljana Časlav Popovic, Faculty of Sciences and Mathematics, University of Niš, Serbia
- Kenan Tas, Usak University, Department of Mathematics, Usak, Turkey, Turkey
- Ivana Djolovic, Technical Faculty in Bor, University of Belgrade, Serbia
- Professor Miodrag Spalevic, Department of Mathematics, University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11120 Belgrade 35, Serbia, Serbia
- Fahreddin G. Abdullayev, Faculty of Science Dep. of Mathematics Mersin University, Mersin/Turkey
- Shuai Li, University of Oulu, Finland, Finland
- Bolin Liao, College of Information Science and Engineering, Jishou University, Jishou, China, China
- Jinxiang Bai, College of Sports Science, Jishou University, Jishou, China, China
- Rongbo Lu, College of Information Science and Engineering, Jishou University, Jishou, China, China
- Marija Milosevic
- In Sung Hwang, Department of Mathematics Sungkyunkwan University Suwon 440-746, Korea, Korea, Republic of
- Hemen Dutta, India
- RAJENDRA PRASAD PANT, India
- Ville Turunen, Finland
- Natasa Krejic, Serbia
- Dr Pratulananda Das, Department of Mathematics Jadavpur University Kolkata - 32 India, India
- Dr. Santanu Acharjee, Gauhati University, India
- Binod Chandra Tripathy, Tripura University, India
- Santi Spadaro, University of Palermo, Italy
- Zoran Rakic

### Layout Editors

- Milica Kolundzija, Department of Mathematics, Faculty of Sciences and Mathematics, University of Nis, Serbia
- Jovana Nikolov, University of Nis, Faculty of Sciences and Mathematics, Serbia

### Copyeditors

- Milica Kolundzija, Department of Mathematics, Faculty of Sciences and Mathematics, University of Nis, Serbia
- Jovana Nikolov, University of Nis, Faculty of Sciences and Mathematics, Serbia

### Proofreaders

- Milica Kolundzija, Department of Mathematics, Faculty of Sciences and Mathematics, University of Nis, Serbia
- Jovana Nikolov, University of Nis, Faculty of Sciences and Mathematics, Serbia