%0 Journal Article %A Donald Burkholder %T A proof of Pełczyński's conjecture for the Haar system %J Studia Mathematica %D 1988 %P 79-83 %V 91 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-91-1-79-83/ %R 10.4064/sm-91-1-79-83 %G pl %F 10_4064_sm_91_1_79_83