TY - JOUR AU - A. S. Shvedov TI - Comonotone approximation of functions by polynomials JO - Doklady Akademii Nauk PY - 1980 SP - 39 EP - 42 VL - 250 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_250_1_a8/ LA - ru ID - DAN_1980_250_1_a8 ER -