@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{\textendash}Poisson{\textendash}Darboux}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {133--135},
     year = {1998},
     volume = {34},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_1_a22/}
}