@article{01146277,
title = {To the theory of boundary value problems for hyperbolic type equations and systems.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {12},
year = {1997},
pages = {68-75},
zbl = {0894.35064},
language = {en},
url = {http://dml.mathdoc.fr/item/01146277}
}
Gvazava, J.; Kharibegashvili, S. To the theory of boundary value problems for hyperbolic type equations and systems.. Memoirs on Differential Equations and Mathematical Physics, Tome 12 (1997) pp. 68-75. http://gdmltest.u-ga.fr/item/01146277/