%0 Journal Article %A B. KamiƄski %T A representation theorem for perfect partitions of $Z^2$-actions with finite entropy %J Colloquium Mathematicum %D 1988 %P 121-127 %V 56 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-56-1-121-127/ %R 10.4064/cm-56-1-121-127 %G en %F 10_4064_cm_56_1_121_127