@article{10_4171_ifb_171,
     author = {Blaise Bourdin},
     title = {Numerical implementation of the variational formulation for quasi-static brittle fracture},
     journal = {Interfaces and free boundaries},
     pages = {411--430},
     year = {2007},
     volume = {9},
     number = {3},
     doi = {10.4171/ifb/171},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/171/}
}