TY - JOUR AU - V. F. Babenko AU - A. A. Ligun TI - The order of the best one-sided approximation by polynomials and splines in the $L_p$-metric JO - Matematičeskie zametki PY - 1976 SP - 323 EP - 329 VL - 19 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_19_3_a1/ LA - ru ID - MZM_1976_19_3_a1 ER -