@article{ChenRabczukLiuetal.2012,
  author    = {Lei Chen and Timon Rabczuk and G.R. Liu and K.Y. Zeng and Pierre Kerfriden and St{\´e}phane Pierre Alain Bordas},
  title     = {Extended finite element method with edge-based strain smoothing (ESm-XFEM) for linear elastic crack growth},
  journal   = {Computer Methods in Applied Mechanics and Engineering},
  doi       = {10.1016/j.cma.2011.08.013},
  year      = {2012},
}