TY - JOUR AU - Robert Kaufman TI - Measures in independent sets JO - Studia Mathematica PY - 1968 SP - 17 EP - 20 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-30-1-17-20/ DO - 10.4064/sm-30-1-17-20 LA - en ID - 10_4064_sm_30_1_17_20 ER -