%0 Journal Article %A V. M. Astapenko %T Quasiperiodic Green's functions for the Laplace and the Helmholtz equation %J Differencialʹnye uravneniâ %D 1974 %P 1293-1297 %V 10 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_7_a15/ %G ru %F DE_1974_10_7_a15