TY - JOUR AU - V. I. Ovchinnikov TI - $s$-numbers of measurable operators JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1970 SP - 78 EP - 85 VL - 4 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1970_4_3_a7/ LA - ru ID - FAA_1970_4_3_a7 ER -