@article{DE_1998_34_1_a22, author = {K. Ch. Khe}, title = {On nontrivial solutions of some homogeneous boundary value problems for the multidimensional hyperbolic {Euler--Poisson--Darboux} }, journal = {Differencialʹnye uravneni\^a}, pages = {133--135}, publisher = {mathdoc}, volume = {34}, number = {1}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_1_a22/} }