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@article{ARM_1987__23_3_a2, author = {Krupkov\'a, Olga}, title = {Lepagean 2-forms in higher order {Hamiltonian} mechanics. {II.} {Inverse} problem}, journal = {Archivum mathematicum}, pages = {155--170}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1987}, mrnumber = {930318}, zbl = {0651.58010}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1987__23_3_a2/} }
Krupková, Olga. Lepagean 2-forms in higher order Hamiltonian mechanics. II. Inverse problem. Archivum mathematicum, Tome 23 (1987) no. 3, pp. 155-170. http://geodesic.mathdoc.fr/item/ARM_1987__23_3_a2/