Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_2007_12_a3, author = {D. Krupka}, title = {The structure of the {Euler--Lagrange} mapping}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {51--69}, publisher = {mathdoc}, number = {12}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2007_12_a3/} }
D. Krupka. The structure of the Euler--Lagrange mapping. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (2007), pp. 51-69. http://geodesic.mathdoc.fr/item/IVM_2007_12_a3/