TY - JOUR T1 - Superconvergence of FEM for Singular Solution JO - Journal of Computational Mathematics VL - 2 SP - 111 EP - 114 PY - 1991 DA - 1991/09 SN - 9 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9383.html KW - AB -