@article{1103036498,
author = {Lombardi, Lionello A.},
title = {A general solution of Tonelli's problem of the calculus of variations.},
journal = {Pacific J. Math.},
volume = {12},
number = {4},
year = {1962},
pages = { 617-625},
language = {en},
url = {http://dml.mathdoc.fr/item/1103036498}
}
Lombardi, Lionello A. A general solution of Tonelli's problem of the calculus of variations.. Pacific J. Math., Tome 12 (1962) no. 4, pp. 617-625. http://gdmltest.u-ga.fr/item/1103036498/