@article{DE_1979_15_10_a13,
     author = {V. M. Dikasov},
     title = {Solution by the reflection method of some external boundary value problems for the wave equation on a sphere},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1863--1872},
     publisher = {mathdoc},
     volume = {15},
     number = {10},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_10_a13/}
}