@article{TM_2021_313_a15,
     author = {Farrukh Mukhamedov and Hasan Ak{\i}n},
     title = {Characterization of {Bistochastic} {Kadison--Schwarz} {Operators} on $M_2(\mathbb C)$},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {178--191},
     publisher = {mathdoc},
     volume = {313},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2021_313_a15/}
}