TY - JOUR AU - E. D. Tymchatyn TI - Some order theoretic characterizations of the 3-cell JO - Colloquium Mathematicum PY - 1971 SP - 195 EP - 203 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-195-203/ DO - 10.4064/cm-24-2-195-203 LA - en ID - 10_4064_cm_24_2_195_203 ER -