TY - JOUR AU - Hytönen, Tuomas P. TI - On the Norm of the Beurling–Ahlfors Operator in Several Dimensions JO - Canadian mathematical bulletin PY - 2011 SP - 113 EP - 125 VL - 54 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-100-0/ DO - 10.4153/CMB-2010-100-0 ID - 10_4153_CMB_2010_100_0 ER -