中国科学院数学与系统科学研究院期刊网
AMS
The Dirichlet Form of a Gradient-type Drift Transformation of a Symmetric Diffusion
P. J. FITZSIMMONS
Acta Mathematica Sinica . 2008, (7): 1057 -1066 .  DOI: 10.1007/s10114-007-6466-4