@article{VNGU_2017_17_3_a3,
     author = {T. Sh. Kalmenov},
     title = {On the {Bitsadze} problem for a multidimensional hyperbolic equation},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {33--36},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2017_17_3_a3/}
}