@article{GDZPPN002238624, title = {Global Gradient Bounds for Relaxed variational problems.}, journal = {Manuscripta mathematica}, volume = {94}, year = {1997}, pages = {287-302}, zbl = {0892.49027}, url = {http://dml.mathdoc.fr/item/GDZPPN002238624} }
Fuchs, Martin; Gongbao, Li. Global Gradient Bounds for Relaxed variational problems.. Manuscripta mathematica, Tome 94 (1997) pp. 287-302. http://gdmltest.u-ga.fr/item/GDZPPN002238624/