@article{AIHPA_1994__61_1_17_0,
     author = {Massa, Enrico and Pagani, Enrico},
     title = {Jet bundle geometry, dynamical connections, and the inverse problem of lagrangian mechanics},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {17--62},
     publisher = {Gauthier-Villars},
     volume = {61},
     number = {1},
     year = {1994},
     mrnumber = {1303184},
     zbl = {0813.70004},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1994__61_1_17_0/}
}