@article{2101,
  author = {Glaucio Paulino and Yong Liu},
  title = {Implicit consistent and continuum tangent operators in elastoplastic boundary element formulations},
  year = {2001},
  journal = {Computer methods in applied mechanics and engineering},
  volume = {190},
  number = {15-17},
  pages = {2157{\textendash}2179},
  publisher = {Elsevier},
}