TY - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) A1 - LIANG Xing-liang, WU Su-peng, REN Jun T1 - Characterization of monoids by C(P')acts Y1 - 2018-10-20 JF - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO - JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) SP - 9 EP - 13 VL - 53 IS - 10 UR - http://lxbwk.njournal.sdu.edu.cn N1 - 10.6040/j.issn.1671-9352.0.2017.512 ER -