%0 Journal Article %A Sh. A. Alimov %T Expandibility in eigenfunctions of the Laplacian in a~two-dimension region %J Matematičeskie zametki %D 1971 %P 609-616 %V 9 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_9_6_a0/ %G ru %F MZM_1971_9_6_a0