TY - JOUR AU - A. Kucia TI - On P(m)-ultrafilters on N JO - Colloquium Mathematicum PY - 1978 SP - 233 EP - 242 VL - 39 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-39-2-233-242/ DO - 10.4064/cm-39-2-233-242 LA - de ID - 10_4064_cm_39_2_233_242 ER -