@article{10_21136_MB_1994_126079,
     author = {Chrastina, Jan},
     title = {Solution of the inverse problem of the calculus of variations},
     journal = {Mathematica Bohemica},
     pages = {157--201},
     publisher = {mathdoc},
     volume = {119},
     number = {2},
     year = {1994},
     doi = {10.21136/MB.1994.126079},
     mrnumber = {1293249},
     zbl = {0821.49026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126079/}
}