@article{701675,
title = {On a class of polynomial Lagrangians},
booktitle = {Proceedings of the 20th Winter School "Geometry and Physics"},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {2001},
pages = {147-159},
mrnumber = {MR1826688},
zbl = {1002.58003},
url = {http://dml.mathdoc.fr/item/701675}
}
Palese, Marcella; Vitolo, Raffaele. On a class of polynomial Lagrangians, dans Proceedings of the 20th Winter School "Geometry and Physics", GDML_Books, (2001), pp. 147-159. http://gdmltest.u-ga.fr/item/701675/