TY - JOUR AU - A. N. Davidchik TI - Approximations of continuous periodic functions by linear positive methods of convolution type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1983 SP - 8 EP - 10 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1983_8_a1/ LA - ru ID - IVM_1983_8_a1 ER -