@article{1183494283,
author = {La Paz, Lincoln},
title = {Problems of the calculus of variations with
prescribed transversality conditions},
journal = {Bull. Amer. Math. Soc.},
volume = {36},
number = {11},
year = {1930},
pages = { 674-680},
language = {en},
url = {http://dml.mathdoc.fr/item/1183494283}
}
La Paz, Lincoln. Problems of the calculus of variations with
prescribed transversality conditions. Bull. Amer. Math. Soc., Tome 36 (1930) no. 11, pp. 674-680. http://gdmltest.u-ga.fr/item/1183494283/