@article{01417982,
title = {A boundary value problem for the wave equation.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {22},
year = {1999},
pages = {835-845},
doi = {10.1155/S0161171299228359},
zbl = {0948.35075},
language = {en},
url = {http://dml.mathdoc.fr/item/01417982}
}
Iraniparast, Nezam. A boundary value problem for the wave equation.. International Journal of Mathematics and Mathematical Sciences, Tome 22 (1999) pp. 835-845. doi : 10.1155/S0161171299228359. http://gdmltest.u-ga.fr/item/01417982/