@article{GDZPPN002227428,
title = {Optimal Regularity Theorems for Variational Problems with Obstacles.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {209-234},
zbl = {0605.49006},
url = {http://dml.mathdoc.fr/item/GDZPPN002227428}
}
Duzaar, F.; Fuchs, M. Optimal Regularity Theorems for Variational Problems with Obstacles.. Manuscripta mathematica, Tome 55 (1986) pp. 209-234. http://gdmltest.u-ga.fr/item/GDZPPN002227428/