引用本文: | 雷呈凤, 王卫东. 幂等自映射的Nielsen数(4)[J]. 南昌航空大学学报(自然科学版), 2000, 14(4): 77-79. |
Citation: | Lei Chengfeng, Wang Weidong. Nielsen's Number of Power-equate Self-mapping(4)[J]. Journal of nanchang hangkong university(Natural science edition), 2000, 14(4): 77-79. |