@article{GDZPPN002220342,
title = {The Fluid Flow Through Porous Media. Regularity of the Free Surface.},
journal = {Manuscripta mathematica},
volume = {22},
year = {1977},
pages = {255-272},
zbl = {0371.76080},
url = {http://dml.mathdoc.fr/item/GDZPPN002220342}
}
Alt, Hans Wilhelm. The Fluid Flow Through Porous Media. Regularity of the Free Surface.. Manuscripta mathematica, Tome 22 (1977) pp. 255-272. http://gdmltest.u-ga.fr/item/GDZPPN002220342/