中国科学院数学与系统科学研究院期刊网
AMS
Integrability Condition on an Almost Complex Structure and Its Application
Chia Kuei PENG, Zi Zhou TANG(Zizhou TANG)
Acta Mathematica Sinica . 2005, (6): 1459 -1464 .  DOI: 10.1007/s10114-005-0605-6