中国科学院数学与系统科学研究院期刊网
AMS
Topological Structure of Non-wandering Set of a Graph Map
Rong Bao GU, Tai Xiang SUN, Ting Ting ZHENG
Acta Mathematica Sinica . 2005, (4): 873 -880 .  DOI: 10.1007/s10114-004-0432-1