共 18 条
[2]
[Anonymous], 1998, Atti Sem. Mat. Fis. Univ. Modena
[5]
Bekkouche Z., 2018, INT J OPEN PROBLEMS, V11
[7]
Gouari Y., 2020, MOROCCAN J PURE APPL, V6, P168
[9]
Ibrahim R.W., 2013, INT J MATH COMPUTATI, V7