@article{DE_2002_38_8_a17,
     author = {A. P. Kiselev and M. V. Perel'},
     title = {Relatively {Distortion-Free} {Waves} for the $m${-Dimensional} {Wave} {Equation}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1128--1129},
     publisher = {mathdoc},
     volume = {38},
     number = {8},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_8_a17/}
}