%0 Journal Article %A K. Golema-Hartman %T Exchange property and t-independence %J Colloquium Mathematicum %D 1976 %P 181-186 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-2-181-186/ %R 10.4064/cm-36-2-181-186 %G en %F 10_4064_cm_36_2_181_186