TY - JOUR AU - G. M. Gubreev AU - G. V. Lukashenko TI - On a Class of Completely Continuous Operators in Hilbert Spaces JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2009 SP - 75 EP - 79 VL - 43 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2009_43_2_a6/ LA - ru ID - FAA_2009_43_2_a6 ER -