@article{AIF_1993__43_4_1157_0,
     author = {Cancelier, C. E. and Chemin, J. Y. and Xu, C. J.},
     title = {Calcul de {Weyl} et op\'erateurs sous elliptiques},
     journal = {Annales de l'Institut Fourier},
     pages = {1157--1178},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {43},
     number = {4},
     year = {1993},
     doi = {10.5802/aif.1367},
     mrnumber = {94j:35204},
     zbl = {0797.35008},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.1367/}
}