TY - JOUR AU - Saharon Shelah TI - On what I do not understand (and have something to say): Part I JO - Fundamenta Mathematicae PY - 2000 SP - 1 EP - 82 VL - 166 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-166-1-2-1-82/ DO - 10.4064/fm-166-1-2-1-82 LA - en ID - 10_4064_fm_166_1_2_1_82 ER -