TY - JOUR AU - S. N. Mergelyan TI - Certain questions of the constructive theory of functions JO - Informatics and Automation PY - 1951 SP - 3 EP - 91 VL - 37 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1951_37_a0/ LA - ru ID - TRSPY_1951_37_a0 ER -