TY - Journal of Computer Applications A1 - DU Yuan, ZHANG Shiwei T1 - Improved canonical-order tree algorithm based on restructure Y1 - 2019-02-10 JF - Journal of Computer Applications JO - Journal of Computer Applications SP - 441 EP - 445 VL - 39 IS - 2 UR - http://www.joca.cn N1 - 10.11772/j.issn.1001-9081.2018061328 ER -