@article{AIF_1960__10__151_0,
     author = {Bernard, Daniel},
     title = {Sur la g\'eom\'etrie diff\'erentielle des $G$-structures},
     journal = {Annales de l'Institut Fourier},
     pages = {151--270},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {10},
     year = {1960},
     doi = {10.5802/aif.99},
     zbl = {0095.36406},
     mrnumber = {23 #A4094},
     language = {fr},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.99/}
}