TY - JOUR AU - Foran, James TI - Non-Averaging Sets, Dimension and Porosity JO - Canadian mathematical bulletin PY - 1986 SP - 60 EP - 63 VL - 29 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-011-2/ DO - 10.4153/CMB-1986-011-2 ID - 10_4153_CMB_1986_011_2 ER -