中国科学院数学与系统科学研究院期刊网
AMS
Continuity in Weak Topology:First Order Linear Systems of ODE
Gang MENG, Mei Rong ZHANG
Acta Mathematica Sinica . 2010, (7): 1287 -1298 .  DOI: 10.1007/s10114-010-8103-x