@article{10_21136_CMJ_1988_102245,
     author = {\v{S}vec, Alois},
     title = {Equivalence problem for {Lagrangians}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {486--492},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {1988},
     doi = {10.21136/CMJ.1988.102245},
     mrnumber = {950303},
     zbl = {0682.58018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102245/}
}