TY - JOUR AU - G. G. Devdariani TI - The basis property of a system of functions JO - Differencialʹnye uravneniâ PY - 1986 SP - 170 EP - 171 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a20/ LA - ru ID - DE_1986_22_1_a20 ER -