TY - JOUR AU - V. G. Boltyanskii TI - Application of the theory of optimal processes to problems of approximation of functions JO - Informatics and Automation PY - 1961 SP - 82 EP - 95 VL - 60 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1961_60_a4/ LA - ru ID - TRSPY_1961_60_a4 ER -