TY - JOUR AU - A. F. Leont'ev TI - Representation of functions by generalized exponential series JO - Sbornik. Mathematics PY - 1989 SP - 491 EP - 505 VL - 62 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_1989_62_2_a9/ LA - en ID - SM_1989_62_2_a9 ER -