@article{106934, author = {Demeter Krupka}, title = {On a class of variational problems defined by polynomial Lagrangians}, journal = {Archivum Mathematicum}, volume = {012}, year = {1976}, pages = {99-105}, zbl = {0386.49028}, mrnumber = {0426039}, language = {en}, url = {http://dml.mathdoc.fr/item/106934} }
Krupka, Demeter. On a class of variational problems defined by polynomial Lagrangians. Archivum Mathematicum, Tome 012 (1976) pp. 99-105. http://gdmltest.u-ga.fr/item/106934/
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