@article{AIF_1968__18_1_241_0, author = {Klein, Joseph and Voutier, Andr\'e}, title = {Formes ext\'erieures g\'en\'eratrices de sprays}, journal = {Annales de l'Institut Fourier}, pages = {241--260}, publisher = {Institut Fourier}, volume = {18}, number = {1}, year = {1968}, doi = {10.5802/aif.282}, zbl = {0181.49902}, mrnumber = {40 #863}, language = {fr}, url = {http://www.numdam.org/articles/10.5802/aif.282/} }