@article{AIF_1967__17_2_219_0,
     author = {Godbillon, Claude},
     title = {Feuilletages ayant la propri\'et\'e du prolongement des homotopies},
     journal = {Annales de l'Institut Fourier},
     pages = {219--260},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {17},
     number = {2},
     year = {1967},
     doi = {10.5802/aif.269},
     mrnumber = {37 #2255},
     zbl = {0186.57301},
     language = {fr},
     url = {http://www.numdam.org/articles/10.5802/aif.269/}
}