$L^p$--bounds for the Beurling--Ahlfors transform

Rodrigo Bañuelos, Prabhu Janakiraman
2008 Transactions of the American Mathematical Society  
Let B denote the Beurling-Ahlfors transform defined on L p (C),
doi:10.1090/s0002-9947-08-04537-6 fatcat:ryhnu7dgevdzbjssz4vskla444