TY - JOUR AU - L. G. Labsker TI - Korovkin sets in the space of continuous functions for operators of the class~$S_m^0$ JO - Matematičeskie zametki PY - 1979 SP - 521 EP - 536 VL - 25 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1979_25_4_a5/ LA - ru ID - MZM_1979_25_4_a5 ER -