TY - JOUR AU - Choongbum Lee TI - On the size of minimal unsatisfiable formulas JO - The electronic journal of combinatorics PY - 2009 VL - 16 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/241/ DO - 10.37236/241 ID - 10_37236_241 ER -