TY - JOUR AU - G. M. Gubreev TI - On one class of bases in Hilbert spaces and the similarity problem for volterra operators JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1992 SP - 64 EP - 67 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a5/ LA - ru ID - FAA_1992_26_4_a5 ER -