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@article{DAN_1976_226_4_a10, author = {L. A. Sakhnovich}, title = {On the factorization of an operator-valued transfer function}, journal = {Doklady Akademii Nauk}, pages = {781--784}, publisher = {mathdoc}, volume = {226}, number = {4}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a10/} }
L. A. Sakhnovich. On the factorization of an operator-valued transfer function. Doklady Akademii Nauk, Tome 226 (1976) no. 4, pp. 781-784. http://geodesic.mathdoc.fr/item/DAN_1976_226_4_a10/