TY - JOUR AU - A. P. Filimonov AU - È. R. Tsekanovskii TI - Automorphic-invariant operator colligations and the factorization of their characteristic operator functions JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1987 SP - 94 EP - 95 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a18/ LA - ru ID - FAA_1987_21_4_a18 ER -