中国科学院数学与系统科学研究院期刊网
AMS
The Method of A-Harmonic Approximation and Boundary Regularity for Nonlinear Elliptic Systems under the Natural Growth Condition
Shu Hong CHEN, Zhong TAN
Acta Mathematica Sinica . 2009, (1): 133 -156 .  DOI: 10.1007/s10114-008-6005-y