%0 Journal Article %A A. Friedman %T Free Boundary Problems Associated with Multiscale Tumor Models %J Mathematical modelling of natural phenomena %D 2009 %P 134-155 %V 4 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20094306/ %R 10.1051/mmnp/20094306 %G en %F MMNP_2009_4_3_a5