@article{AIF_1987__37_3_65_0,
     author = {G\'erard, Patrick and Rauch, Jeffrey},
     title = {Propagation de la r\'egularit\'e locale de solutions d'\'equations hyperboliques non lin\'eaires},
     journal = {Annales de l'Institut Fourier},
     pages = {65--84},
     publisher = {Imprimerie Louis-Jean},
     address = {Gap},
     volume = {37},
     number = {3},
     year = {1987},
     doi = {10.5802/aif.1098},
     zbl = {0617.35079},
     mrnumber = {89e:35030},
     language = {fr},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1098/}
}