Madjid Eshaghi Gordji Affiliation: Faculty of Mathematics and Computer Science, Semnan University, Semnan, Iran Mohamadali Berahman Affiliation: Faculty of Mathematics and Computer Science, Semnan University, Semnan, Iran Mohammad Bagha Affiliation: Faculty of Mathematics and Computer Science, Semnan University, Semnan, Iran Corresponding author: Madjid Eshaghi Gordji Email: meshaghi@semnan.ac.ir
Gordji et al. (Sun,) studied this question.