Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1997_27_1a_10, author = {Munteanu Gheorghe}, title = {Higher order {Gauge-invariant} {Lagrangians}}, journal = {Novi Sad Journal of Mathematics}, pages = {101-115}, publisher = {mathdoc}, volume = {27}, number = {1}, year = {1997}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1997_27_1a_10/} }
Munteanu Gheorghe. Higher order Gauge-invariant Lagrangians. Novi Sad Journal of Mathematics, Tome 27 (1997) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1997_27_1a_10/