@article{01330900,
title = {On the correctness of the Dirichlet problem in a characteristic rectangle for fourth order linear hyperbolic equations.},
journal = {Georgian Mathematical Journal},
volume = {6},
year = {1999},
pages = {447-470},
doi = {10.1023/A:1022928801142},
zbl = {0939.35113},
language = {en},
url = {http://dml.mathdoc.fr/item/01330900}
}
Kiguradze, T. On the correctness of the Dirichlet problem in a characteristic rectangle for fourth order linear hyperbolic equations.. Georgian Mathematical Journal, Tome 6 (1999) pp. 447-470. doi : 10.1023/A:1022928801142. http://gdmltest.u-ga.fr/item/01330900/