@article{AIF_1973__23_2_127_0,
     author = {Osborn, Howard},
     title = {La g\'eom\'etrie diff\'erentielle dans la cat\'egorie $PL$},
     journal = {Annales de l'Institut Fourier},
     pages = {127--134},
     publisher = {Imprimerie Durand},
     address = {28 - Luisant},
     volume = {23},
     number = {2},
     year = {1973},
     doi = {10.5802/aif.463},
     zbl = {0267.57011},
     mrnumber = {48 #12550},
     language = {fr},
     url = {https://geodesic-test.mathdoc.fr/articles/10.5802/aif.463/}
}