%0 Journal Article %A V. M. Adamyan %T Nondegenerate unitary couplings of semiunitary operators %J Funkcionalʹnyj analiz i ego priloženiâ %D 1973 %P 1-16 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1973_7_4_a0/ %G ru %F FAA_1973_7_4_a0