Authors
Cristina-Florentina Pîrje
Department of Applied Mathematics, National University of Science and Technology Politehnica Bucharest, Bucharest, Romania
Savin Treanţă
Department of Applied Mathematics, National University of Science and Technology Politehnica Bucharest, Bucharest, Romania
Academy of Romanian Scientists, Bucharest, Romania
Fundamental Sciences Applied in Engineering - Research Center (SFAI), National University of Science and Technology Politehnica Bucharest, Bucharest, Romania
Yating Guo
College of Science, Hohai University, Nanjing, China
Balendu Bhooshan Upadhyay
Department of Mathematics, Indian Institute of Technology Patna, Patna, India
Fangfang Shi
College of Science, Hohai University, Nanjing, China