@article{01195730,
title = {Existence of minimizers for some non convex one-dimensional integrals.},
journal = {Portugaliae Mathematica. Nova S\'erie},
volume = {55},
year = {1998},
pages = {167-185},
zbl = {0912.49015},
language = {en},
url = {http://dml.mathdoc.fr/item/01195730}
}
Fusco, N.; Marcellini, P.; Ornelas, A. Existence of minimizers for some non convex one-dimensional integrals.. Portugaliae Mathematica. Nova Série, Tome 55 (1998) pp. 167-185. http://gdmltest.u-ga.fr/item/01195730/