@article{TalebiSamaniegoSamaniegoetal.2012,
  author    = {Hossein Talebi and C. Samaniego and Esteban Samaniego and Timon Rabczuk},
  title     = {On the numerical stability and mass-lumping schemes for explicit enriched meshfree methods},
  journal   = {International Journal for Numerical Methods in Engineering},
  pages     = {1009 -- 1027},
  doi       = {10.1002/nme.3275},
  year      = {2012},
}