[1] GLA Univ, Inst Appl Sci & Humanities, Dept Math, Mathura 281406, Uttar Pradesh, India
[2] IILM Univ, Sch Basic & Appl Sci, Dept Math, Knowledge Pk 2, Greater Noida 201306, Uttar Pradesh, India
[3] Univ Technol & Appl Sci HCT, IT Dept, Math Sect, Muscat 33, Oman
[4] Pranveer Singh Inst Technol, Dept Appl Sci & Humanities, Kanpur, Uttar Pradesh, India