TY  - JOUR
AU  - Ko,  Youngsang
TI  - Regularity of the interface for the porous medium equation
JO  - Electronic journal of differential equations
PY  - 2000
VL  - 2000
UR  - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a68/
LA  - en
ID  - EJDE_2000__2000__a68
ER  -