TY - JOUR AU - Hare, Kevin G. TI - More Variations on the SierpiƄski Sieve JO - Canadian journal of mathematics PY - 2010 SP - 543 EP - 562 VL - 62 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-036-3/ DO - 10.4153/CJM-2010-036-3 ID - 10_4153_CJM_2010_036_3 ER -