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@article{DAN_1980_250_5_a21, author = {M. A. Grinfel'd}, title = {On the linear theory of head wave}, journal = {Doklady Akademii Nauk}, pages = {1109--1111}, publisher = {mathdoc}, volume = {250}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a21/} }
M. A. Grinfel'd. On the linear theory of head wave. Doklady Akademii Nauk, Tome 250 (1980) no. 5, pp. 1109-1111. http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a21/