@article{AIF_2005__55_7_2257_0,
     author = {Gracia-saz, Alfonso},
     title = {The symbol of a function of a pseudo-differential operator},
     journal = {Annales de l'Institut Fourier},
     pages = {2257--2284},
     year = {2005},
     publisher = {Association des Annales de l'Institut Fourier},
     volume = {55},
     number = {7},
     doi = {10.5802/aif.2161},
     mrnumber = {2207384},
     zbl = {1091.53062},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/aif.2161/}
}