外P-集合副集的τ-生成与τ-强生成
于秀清,董立华,张玉坤
τ-generation and τ-strong generation of assistant set of outer P-set
YU Xiuqing, DONG Lihua, ZHANG Yukun
计算机工程与应用 . 2013, (15): 41 -43 .