@article{01911330, title = {A selfadjoint hyperbolic boundary-value problem.}, journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]}, volume = {2003}, year = {2003}, pages = {153-161}, zbl = {1029.35156}, language = {en}, url = {http://dml.mathdoc.fr/item/01911330} }
Iraniparast, Nezam. A selfadjoint hyperbolic boundary-value problem.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2003 (2003) pp. 153-161. http://gdmltest.u-ga.fr/item/01911330/