%0 Journal Article %A A. M. Chebotarev %T Necessary and sufficient conditions for the conservativity of dynamical semigroups %J Itogi Nauki i Tekhniki. Seriya Sovremennye Problemy Matematiki. Noveishie Dostizheniya %D 1989 %P 149-184 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTD_1989_36_a4/ %G ru %F INTD_1989_36_a4