%0 Journal Article %A B. I. Stepanov %T Stability of stationary states of quantum generators %J Doklady Akademii Nauk %D 1963 %P 74-77 %V 148 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_1_a18/ %G ru %F DAN_1963_148_1_a18