TY - JOUR AU - A. Ya. Yakubov TI - A~weight space invariant with respect to a~singular linear operator JO - Matematičeskie zametki PY - 1976 SP - 549 EP - 558 VL - 20 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_20_4_a9/ LA - ru ID - MZM_1976_20_4_a9 ER -