中国科学院数学与系统科学研究院期刊网
AMS
Control of Cauchy System for an Elliptic Operator
G.MASSENGO MOPHOU, O.NAKOULIMA
Acta Mathematica Sinica . 2009, (11): 1819 -1834 .  DOI: 10.1007/s10114-009-7066-2