@article{EJDE_1999__1999__a140,
     author = {Ammari,  Habib and Bao,  Gang and Hamdache,  Kamel},
     title = {The effect of thin coatings on second harmonic generation},
     journal = {Electronic journal of differential equations},
     year = {1999},
     volume = {1999},
     zbl = {0928.35172},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a140/}
}