%0 Journal Article %A John W. Barrett %A Klaus Deckelnick %T Existence and approximation of a nonlinear degenerate parabolic system modelling acid-mediated tumour invasion %J Interfaces and free boundaries %D 2012 %P 343-363 %V 14 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/284/ %R 10.4171/ifb/284 %F 10_4171_ifb_284