TY - JOUR AU - Teresa Bigorajska AU - Henryk Kotlarski AU - James H. Schmerl TI - On regular interstices and selective types in countable arithmetically saturated models of Peano Arithmetic JO - Fundamenta Mathematicae PY - 1998 SP - 125 EP - 146 VL - 158 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-158-2-125-146/ DO - 10.4064/fm-158-2-125-146 LA - en ID - 10_4064_fm_158_2_125_146 ER -