TY - JOUR AU - A. F. Leont'ev TI - Conditions for the representability of functions in convex domains by generalized series of exponentials JO - Informatics and Automation PY - 1985 SP - 216 EP - 235 VL - 167 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1985_167_a11/ LA - ru ID - TRSPY_1985_167_a11 ER -