@article{1386, author = {Kyoungsoo Park and Jeronymo Pereira and Armando Duarte and Glaucio Paulino}, title = {Integration of singular enrichment functions in the generalized/extended finite element method for three-dimensional problems}, year = {2009}, journal = {International Journal for Numerical Methods in Engineering}, volume = {78}, number = {10}, pages = {1220{\textendash}1257}, publisher = {Wiley Online Library}, }