@article{GDZPPN002233843, title = {Regularity for a non linear variational problem in dimension two.}, journal = {Manuscripta mathematica}, volume = {79}, year = {1993}, pages = {37-56}, zbl = {0787.58011}, url = {http://dml.mathdoc.fr/item/GDZPPN002233843} }
Carbou, Gilles. Regularity for a non linear variational problem in dimension two.. Manuscripta mathematica, Tome 79 (1993) pp. 37-56. http://gdmltest.u-ga.fr/item/GDZPPN002233843/