@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/