@article{GDZPPN002235552,
title = {Energy minimizing harmonic maps with an obstacle at the free boundary.},
journal = {Manuscripta mathematica},
volume = {83},
year = {1994},
pages = {291-314},
zbl = {0805.58019},
url = {http://dml.mathdoc.fr/item/GDZPPN002235552}
}
Duzaar, Frank; Grotowski, Joseph F. Energy minimizing harmonic maps with an obstacle at the free boundary.. Manuscripta mathematica, Tome 83 (1994) pp. 291-314. http://gdmltest.u-ga.fr/item/GDZPPN002235552/