@book{MSM_1935__71__1_0, author = {Bouligand, G.}, title = {G\'eom\'etrie infinit\'esimale directe et physique math\'ematique classique}, series = {M\'emorial des sciences math\'ematiques}, year = {1935}, publisher = {Gauthier-Villars}, number = {71}, language = {fr}, url = {https://www.numdam.org/item/MSM_1935__71__1_0/} }