@article{CMJ_2002__52_1_a14,
     author = {Francaviglia, Mauro and Palese, Marcella and Vitolo, Raffaele},
     title = {Symmetries in finite order variational sequences},
     journal = {Czechoslovak Mathematical Journal},
     pages = {197--213},
     publisher = {mathdoc},
     volume = {52},
     number = {1},
     year = {2002},
     mrnumber = {1885465},
     zbl = {1006.58014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2002__52_1_a14/}
}