@article{AFST_1988_5_9_2_171_0,
     author = {Manuel De Le\'on and Paulo R. Rodrigues},
     title = {Dynamical connections and non-autonomous lagrangian systems},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {171--181},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 5, 9},
     number = {2},
     year = {1988},
     zbl = {0679.53027},
     mrnumber = {1425006},
     language = {en},
     url = {https://afst.centre-mersenne.org/item/AFST_1988_5_9_2_171_0/}
}