%0 Journal Article %A Robert Kaufman %T Measures in independent sets %J Studia Mathematica %D 1968 %P 17-20 %V 30 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-30-1-17-20/ %R 10.4064/sm-30-1-17-20 %G en %F 10_4064_sm_30_1_17_20