%0 Journal Article %A A. P. Filimonov %A È. R. Tsekanovskii %T Automorphic-invariant operator colligations and the factorization of their characteristic operator functions %J Funkcionalʹnyj analiz i ego priloženiâ %D 1987 %P 94-95 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a18/ %G ru %F FAA_1987_21_4_a18