TY - JOUR T1 - Foreword AU - JO - Journal of Computational Mathematics VL - 2 SP - 0 EP - 0 PY - 1989 DA - 1989/07 SN - 7 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jcm/9458.html KW - AB - The authors do not provide abstract for this article.