@book{MSM_1934__62__1_0,
     author = {Buhl, A.},
     title = {Gravifiques, groupes, m\'ecaniques},
     series = {M\'emorial des sciences math\'ematiques},
     publisher = {Gauthier-Villars},
     number = {62},
     year = {1934},
     zbl = {0008.18303},
     language = {fr},
     url = {http://www.numdam.org/item/MSM_1934__62__1_0/}
}