@article{107117, author = {Jan Chrastina}, title = {Inverse problem of the classical calculus of variations}, journal = {Archivum Mathematicum}, volume = {018}, year = {1982}, pages = {9-14}, zbl = {0496.58006}, mrnumber = {683340}, language = {en}, url = {http://dml.mathdoc.fr/item/107117} }
Chrastina, Jan. Inverse problem of the classical calculus of variations. Archivum Mathematicum, Tome 018 (1982) pp. 9-14. http://gdmltest.u-ga.fr/item/107117/
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