中国空间科学技术
Guidance Law for Lunar Pinpoint Soft LandingBased on Lyapunov Stability Theory
LIANG Dong, LIU Liang-Dong, HE Ying-Zi
Chinese Space Science and Technology . 2011, (2): 25 -31 .  DOI: 10.3780/j.issn.1000-758X.2011.02.004