TY - JOUR AU - Andrzej Mostowski TI - A formula with no recursively enumerable model JO - Fundamenta Mathematicae PY - 1955 SP - 125 EP - 140 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-42-1-125-140/ DO - 10.4064/fm-42-1-125-140 LA - en ID - 10_4064_fm_42_1_125_140 ER -