@article{AIHPA_1992__57_1_27_0,
     author = {Mu\~noz Lecanda, M. C. and Roman Roy, N.},
     title = {Lagrangian theory for presymplectic systems},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {27--45},
     publisher = {Gauthier-Villars},
     volume = {57},
     number = {1},
     year = {1992},
     mrnumber = {1176356},
     zbl = {0760.58018},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1992__57_1_27_0/}
}