TY - JOUR AU - T. Ya. Azizov AU - S. A. Khoroshavin TI - Invariant subspaces of operators which act in a space with indefinite metric JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1980 SP - 1 EP - 7 VL - 14 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1980_14_4_a0/ LA - ru ID - FAA_1980_14_4_a0 ER -