@article{RMI_1985_1985_1_a19,
     author = {Mu\~noz Masqu\'e, Jaime},
     title = {Formas de {Poincar\'e-Cartan} en el c\'alculo variacional de orden superior sobre variedades fibradas.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {85-126},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1985_1985_1_a19/}
}