%0 Journal Article %A D. Z. Arov %T On unitary couplings with losses (scattering theory with losses) %J Funkcionalʹnyj analiz i ego priloženiâ %D 1974 %P 5-22 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1974_8_4_a1/ %G ru %F FAA_1974_8_4_a1