TY - JOUR AU - Sh. A. Alimov TI - Expandibility in eigenfunctions of the Laplacian in a~two-dimension region JO - Matematičeskie zametki PY - 1971 SP - 609 EP - 616 VL - 9 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a0/ LA - ru ID - MZM_1971_9_6_a0 ER -