@article{EMJ_2023_14_2_a4, author = {A. Nasli Bakir and S. Mecheri}, title = {$n${-Multiplicity} and spectral properties for $(M, k)$-quasi-$*$-class $Q$ operators}, journal = {Eurasian mathematical journal}, pages = {79--93}, publisher = {mathdoc}, volume = {14}, number = {2}, year = {2023}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EMJ_2023_14_2_a4/} }