%0 Journal Article %A Tamás Erdélyi %T The norm of the polynomial truncation operator on the unit disk and on $[-1,1]$ %J Colloquium Mathematicum %D 2001 %P 287-293 %V 90 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm90-2-8/ %R 10.4064/cm90-2-8 %G en %F 10_4064_cm90_2_8