TY - JOUR AU - A. R. Khalmukhamedov TI - Expansions in eigenfunctions of a singular elliptic operator JO - Differencialʹnye uravneniâ PY - 1986 SP - 2107 EP - 2117 VL - 22 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_12_a10/ LA - ru ID - DE_1986_22_12_a10 ER -