@Article{NM-14-296, author = { C. Chen, Z. Xie and J. Liu}, title = {New error expansions for one-dimensional finite elements and ultraconvergence}, journal = {Numerical Mathematics, a Journal of Chinese Universities}, year = {2005}, volume = {14}, number = {4}, pages = {296--304}, abstract = {}, issn = {}, doi = {https://doi.org/}, url = {http://global-sci.org/intro/article_detail/nm/8011.html} }