@article{01306117,
title = {On a generalized reflection law for functions satisfying the Helmholtz equation.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1999},
year = {1999},
zbl = {0921.31001},
language = {en},
url = {http://dml.mathdoc.fr/item/01306117}
}
Aberra, Dawit. On a generalized reflection law for functions satisfying the Helmholtz equation.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1999 (1999) . http://gdmltest.u-ga.fr/item/01306117/