TY - JOUR AU - O. E. Tikhonov TI - On Convergence of Functions of Normal Operators in Strong Operator Topology JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2007 SP - 93 EP - 95 VL - 41 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2007_41_3_a7/ LA - ru ID - FAA_2007_41_3_a7 ER -