The Cauchy problem for nonstrictly hyperbolic equations of second order
Doklady Akademii Nauk, Tome 201 (1971) no. 4, pp. 778-781
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@article{DAN_1971_201_4_a3,
author = {V. Ya. Ivrii},
title = {The {Cauchy} problem for nonstrictly hyperbolic equations of second order},
journal = {Doklady Akademii Nauk},
pages = {778--781},
publisher = {mathdoc},
volume = {201},
number = {4},
year = {1971},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_4_a3/}
}
V. Ya. Ivrii. The Cauchy problem for nonstrictly hyperbolic equations of second order. Doklady Akademii Nauk, Tome 201 (1971) no. 4, pp. 778-781. http://geodesic.mathdoc.fr/item/DAN_1971_201_4_a3/