TY - JOUR AU - R. K. Vasil'ev TI - On some convergence questions for isotone and positive additive operators JO - Doklady Akademii Nauk PY - 1974 SP - 260 EP - 263 VL - 217 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_217_2_a1/ LA - ru ID - DAN_1974_217_2_a1 ER -