%0 Journal Article %A Anders Olofsson %T Operator-valued $n$-harmonic measure in the polydisc %J Studia Mathematica %D 2004 %P 203-216 %V 163 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm163-3-1/ %R 10.4064/sm163-3-1 %G en %F 10_4064_sm163_3_1