%0 Journal Article %A G. I. Olshanskii %T Method of holomorphic extensions in the theory of unitary representations of infinite-dimensional classical groups %J Funkcionalʹnyj analiz i ego priloženiâ %D 1988 %P 23-37 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1988_22_4_a2/ %G ru %F FAA_1988_22_4_a2