%0 Journal Article %A A. M. Chebotarev %T On the maximal $C^*$-algebra of zeros of completely positive mapping and on the boundary of a~dynamic semigroup %J Matematičeskie zametki %D 1994 %P 88-105 %V 56 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1994_56_6_a7/ %G ru %F MZM_1994_56_6_a7