%0 Journal Article %A Farrukh Mukhamedov %A Hasan Akın %T Characterization of Bistochastic Kadison--Schwarz Operators on $M_2(\mathbb C)$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2021 %P 178-191 %V 313 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2021_313_a15/ %G ru %F TM_2021_313_a15