@article{GDZPPN002214695,
title = {Bernoulli's free-boundary problem, qualitative theory and numerical approximation.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {485},
year = {1997},
pages = {165-204},
zbl = {0909.35154},
url = {http://dml.mathdoc.fr/item/GDZPPN002214695}
}
Flucher, M.; Rumpf, M. Bernoulli's free-boundary problem, qualitative theory and numerical approximation.. Journal für die reine und angewandte Mathematik, Tome 485 (1997) pp. 165-204. http://gdmltest.u-ga.fr/item/GDZPPN002214695/