TY - JOUR AU - T. O. Omataev TI - The approximation of functions that are continuous on a segment by truncated de la Vallée–Poussin sums JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1977 SP - 99 EP - 106 IS - 6 UR - http://geodesic.mathdoc.fr/item/IVM_1977_6_a11/ LA - ru ID - IVM_1977_6_a11 ER -