Spectral Properties of k-quasi-class A(s, t) Operators

Mecheri, S; Braha, NL

Braha, NL (reprint author), Res Inst Ilirias, Rruga Janina 2, Ferizaj 70000, Kosovo.; Braha, NL (reprint author), Univ Prishtina, Dept Math & Comp Sci, Av Mother Teresa 4, Prishtine 10000, Kosovo.

KYUNGPOOK MATHEMATICAL JOURNAL, 2019; 59 (3): 415