@article{PMF_1931_38_1_a0,
     author = {Kerner, M.},
     title = {Le principe de {Hamilton} et l'holonomisme},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {1--21},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1931},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PMF_1931_38_1_a0/}
}