@article{05165197,
title = {A mixed problem for a hyperbolic system on the plane with delay in the boundary conditions.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {46},
year = {2005},
pages = {1100-1124},
zbl = {1114.35120},
language = {en},
url = {http://dml.mathdoc.fr/item/05165197}
}
Lyul'ko, N.A. A mixed problem for a hyperbolic system on the plane with delay in the boundary conditions.. Sibirskij Matematicheskij Zhurnal, Tome 46 (2005) pp. 1100-1124. http://gdmltest.u-ga.fr/item/05165197/