TY - JOUR AU - F. G. Maksudov AU - È. È. Pashaeva TI - On multiple expansion in eigenfunctions, taking account of spectral singularities JO - Doklady Akademii Nauk PY - 1981 SP - 287 EP - 289 VL - 259 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_259_2_a6/ LA - ru ID - DAN_1981_259_2_a6 ER -