TY - JOUR AU - Yu. F. Korobeinik AU - A. F. Leont'ev TI - Property of inwards-extendability of representing systems of exponentials JO - Matematičeskie zametki PY - 1980 SP - 243 EP - 254 VL - 28 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1980_28_2_a5/ LA - ru ID - MZM_1980_28_2_a5 ER -