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@article{DAN_1987_294_1_a13, author = {A. L. Litvin and I. D. Tsvankin}, title = {Nonstationary wave fields of point sources and}, journal = {Doklady Akademii Nauk}, pages = {54--58}, publisher = {mathdoc}, volume = {294}, number = {1}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_1_a13/} }
A. L. Litvin; I. D. Tsvankin. Nonstationary wave fields of point sources and. Doklady Akademii Nauk, Tome 294 (1987) no. 1, pp. 54-58. http://geodesic.mathdoc.fr/item/DAN_1987_294_1_a13/