TY - JOUR AU - M. G. Krein AU - F. É. Melik-Adamyan TI - Some applications of the theorem on factorization of a unitary matrix JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1970 SP - 73 EP - 75 VL - 4 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1970_4_4_a9/ LA - ru ID - FAA_1970_4_4_a9 ER -