%0 Journal Article %A Willi Jäger %A Jozef Kacur %T Solution of porous medium type systems by linear approximation schemes. %J Numerische Mathematik %D 1991 %P 407-428 %V 60 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133599/ %F NUMA_1991__60_4_133599