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@article{DAN_1977_235_1_a0, author = {F. T. Baranovskii}, title = {The {Cauchy} problem for a hyperbolic equation with degenerating principal part}, journal = {Doklady Akademii Nauk}, pages = {11--14}, publisher = {mathdoc}, volume = {235}, number = {1}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a0/} }
F. T. Baranovskii. The Cauchy problem for a hyperbolic equation with degenerating principal part. Doklady Akademii Nauk, Tome 235 (1977) no. 1, pp. 11-14. http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a0/