Turkish Journal of Mathematics
1477-1481
Quasinormal operators, extended eigenvalue, extended spectrum
Turkish Journal of Mathematics
Turkish Journal of Mathematics
Turkish Journal of Mathematics
Turkish Journal of Mathematics
Turkish Journal of Mathematics
Turkish Journal of Mathematics
Josip PECARIC, Mario KRNIC, Mirna RODIC
Turkish Journal of Mathematics
Ömer ÜNSAL, Yu-Juan ZHANG, Wen-Xiu MA