TY  - JOUR
AU  - Hans Wilhelm Alt
TI  - The Fluid Flow Through Porous Media. Regularity of the Free Surface.
JO  - Manuscripta mathematica
PY  - 1977
SP  - 255
EP  - 272
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1977__21_154467/
ID  - MM2_1977__21_154467
ER  -