@article{DE_1983_19_1_a7,
     author = {V. I. Evsin},
     title = {Some boundary value problems in infinite domains for the wave equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {51--55},
     year = {1983},
     volume = {19},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_1_a7/}
}