Authors
M. Marin
Department of Mathematics and Computer Science, Transilvania University of Brasov, Bdul Iuliu Maniu, nr.50,, Brasov, Romania
I. Abbas
Department of Mathematics, Faculty of Science & Arts-Khulais, King AbdulAziz University, 21384, Jeddah, Saudi Arabia
C. Cârstea
Department of Mathematics and Computer Science, Transilvania University of Brasov, Bdul Iuliu Maniu, nr.50,, Brasov, Romania