%0 Journal Article %A Philippe Biane %A Franz Lehner %T Computation of some examples of Brown's spectral measure in free probability %J Colloquium Mathematicum %D 2001 %P 181-211 %V 90 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm90-2-3/ %R 10.4064/cm90-2-3 %G en %F 10_4064_cm90_2_3