@article{10_1090_S0894_0347_1993_1157289_8,
     author = {G\~A{\textcopyright}rard, Patrick and Lebeau, Gilles},
     title = {Diffusion d\^a€™une onde par un coin},
     journal = {Journal of the American Mathematical Society},
     pages = {341--424},
     publisher = {mathdoc},
     volume = {06},
     number = {2},
     year = {1993},
     doi = {10.1090/S0894-0347-1993-1157289-8},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1993-1157289-8/}
}