@article{GDZPPN002204193,
title = {Variational inequalities and harmonic mappings.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {374},
year = {1987},
pages = {39-60},
zbl = {0597.58006},
url = {http://dml.mathdoc.fr/item/GDZPPN002204193}
}
Duzaar, Frank. Variational inequalities and harmonic mappings.. Journal für die reine und angewandte Mathematik, Tome 374 (1987) pp. 39-60. http://gdmltest.u-ga.fr/item/GDZPPN002204193/