TY - JOUR AU - N. I. Chernykh TI - The approximation of functions by polynomials with constraints JO - Informatics and Automation PY - 1967 SP - 75 EP - 130 VL - 88 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1967_88_a6/ LA - ru ID - TRSPY_1967_88_a6 ER -