%0 Journal Article %A K. Ch. Khe %T On nontrivial solutions of some homogeneous boundary value problems for the multidimensional hyperbolic Euler--Poisson--Darboux %J Differencialʹnye uravneniâ %D 1998 %P 133-135 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_1_a22/ %G ru %F DE_1998_34_1_a22