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@article{FAA_1974_8_4_a1, author = {D. Z. Arov}, title = {On unitary couplings with losses (scattering theory with losses)}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {5--22}, publisher = {mathdoc}, volume = {8}, number = {4}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1974_8_4_a1/} }
D. Z. Arov. On unitary couplings with losses (scattering theory with losses). Funkcionalʹnyj analiz i ego priloženiâ, Tome 8 (1974) no. 4, pp. 5-22. http://geodesic.mathdoc.fr/item/FAA_1974_8_4_a1/