中国科学院数学与系统科学研究院期刊网
A Global Carleman Inequality and Exact Controllability of ParabolicEquations with Mixed Boundary Conditions
Tujin Kim, Qian-shun Chang, Jing Xu
Acta Mathematicae Applicatae Sinica(English Series) . 2008, (2): 265 -280 .