[Zhang, Xiao-Hong] Hunan City Univ, Coll Sci, Yiyang 413000, Peoples R China.
[Saeed, Tareq] King Abdulaziz Univ, Fac Sci, Dept Math, Nonlinear Anal & Appl Math NAAM Res Grp, POB 80203, Jeddah 21589, Saudi Arabia.
[Algehyne, Ebrahem A.] Univ Tabuk, Fac Sci, Dept Math, POB 741, Tabuk 71491, Saudi Arabia.
[El-Shorbagy, M. A.] Prince Sattam Bin Abdulaziz Univ, Coll Sci & Humanities Al Kharj, Dept Math, Al Kharj 11942, Saudi Arabia.
[El-Shorbagy, M. A.] Menoufia Univ, Fac Engn, Dept Basic Engn Sci, Shibin Al Kawm 32511, Egypt.