TY - JOUR T1 - Author Index to Volume 13 AU - JO - Numerical Mathematics: Theory, Methods and Applications VL - 4 SP - 1123 EP - 1124 PY - 2020 DA - 2020/12 SN - 13 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/nmtma/18481.html KW - AB -