%0 Journal Article %A I. V. Aleksandrov %T Dynamics of transitions between symmetric states of quantum systems %J Teoretičeskaâ i matematičeskaâ fizika %D 1971 %P 279-295 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1971_8_2_a11/ %G ru %F TMF_1971_8_2_a11