TY - JOUR AU - V. G. Doronin TI - Best one-sided approximation of certain classes of functions JO - Matematičeskie zametki PY - 1971 SP - 615 EP - 626 VL - 10 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_10_6_a2/ LA - ru ID - MZM_1971_10_6_a2 ER -