@article{01716047,
title = {Two functionals for which },
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {2002},
year = {2002},
zbl = {1103.35317},
language = {en},
url = {http://dml.mathdoc.fr/item/01716047}
}
Li, Yanming; Xuan, Benjin. Two functionals for which . Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2002 (2002) . http://gdmltest.u-ga.fr/item/01716047/