The Commutator of the Kato Square Root for Second Order Elliptic Operators on R<sup><em>n</em></sup>

Yan Ping CHEN, Yong DING, Steve HOFMANN

Acta Mathematica Sinica . 2016, (10): 1121 -1144 . DOI: 10.1007/s10114-016-5719-5