TY - JOUR AU - Thomson, B. S. TI - On Weak Vitali Covering Properties JO - Canadian mathematical bulletin PY - 1978 SP - 339 EP - 345 VL - 21 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-059-2/ DO - 10.4153/CMB-1978-059-2 ID - 10_4153_CMB_1978_059_2 ER -