%0 Journal Article %A Blaise Bourdin %T Numerical implementation of the variational formulation for quasi-static brittle fracture %J Interfaces and free boundaries %D 2007 %P 411-430 %V 9 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/171/ %R 10.4171/ifb/171 %F 10_4171_ifb_171