%0 Journal Article
%A Marcin Krzywkowski
%T A modified hat problem
%J Commentationes Mathematicae
%D 2010
%P  121-126
%V 50
%N 2
%U http://geodesic.mathdoc.fr/articles/10.14708/cm.v50i2.5178/
%R 10.14708/cm.v50i2.5178
%G pl
%F 10_14708_cm_v50i2_5178