中国科学院数学与系统科学研究院期刊网
LIFTING AND PROJECTING CONTINUOUS FLOWS WITH PSEUDO ORBIT TRACING PROPERTY OR EXPANSIBILITY
HE LIANFA, SHAN GUOZUO
Acta Mathematicae Applicatae Sinica . 1995, (1): 1 -7 .  DOI: 10.12387/C1995001