@article{GDZPPN002206218,
title = {On the qualitative theory of parametrized families of free boundaries.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {394},
year = {1989},
pages = {134-167},
zbl = {0668.35090},
url = {http://dml.mathdoc.fr/item/GDZPPN002206218}
}
Acker, Andrew. On the qualitative theory of parametrized families of free boundaries.. Journal für die reine und angewandte Mathematik, Tome 394 (1989) pp. 134-167. http://gdmltest.u-ga.fr/item/GDZPPN002206218/