%0 Journal Article %A S. A. Aldashev %T Some local and nonlocal boundary value problems for the wave equation %J Differencialʹnye uravneniâ %D 1983 %P 3-8 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_1_a0/ %G ru %F DE_1983_19_1_a0