On the question of formulating the characteristic problem for second order hyperbolic systems
Doklady Akademii Nauk, Tome 223 (1975) no. 6, pp. 1289-1292
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@article{DAN_1975_223_6_a0,
author = {A. V. Bitsadze},
title = {On the question of formulating the characteristic problem for second order hyperbolic systems},
journal = {Doklady Akademii Nauk},
pages = {1289--1292},
year = {1975},
volume = {223},
number = {6},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a0/}
}
A. V. Bitsadze. On the question of formulating the characteristic problem for second order hyperbolic systems. Doklady Akademii Nauk, Tome 223 (1975) no. 6, pp. 1289-1292. http://geodesic.mathdoc.fr/item/DAN_1975_223_6_a0/