TY - JOUR AU - M. K. Potapov AU - G. N. Kazimirov TI - Polynomial approximation of functions with given order of the $k$th generalized modulus of smoothness JO - Matematičeskie zametki PY - 1998 SP - 425 EP - 436 VL - 63 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1998_63_3_a13/ LA - ru ID - MZM_1998_63_3_a13 ER -