中国科学院数学与系统科学研究院期刊网
Maximal Operators and Singular Integrals with Non-Isotropic Dilation on Product Domains
Zhong Kai LI, Bo Lin MA, Huo Xiong WU
Acta Mathematica Sinica . 2010, (10): 1847 -1864 .  DOI: 10.1007/s10114-010-8400-4