TY - JOUR AU - K. Barwise TI - Mostowski's collapsing function and the closed unbounded filter JO - Fundamenta Mathematicae PY - 1974 SP - 95 EP - 103 VL - 82 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-82-2-95-103/ DO - 10.4064/fm-82-2-95-103 LA - en ID - 10_4064_fm_82_2_95_103 ER -