TY - JOUR AU - Kelly, David TI - The 3-Irreducible Partially Ordered Sets JO - Canadian journal of mathematics PY - 1977 SP - 367 EP - 383 VL - 29 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-040-3/ DO - 10.4153/CJM-1977-040-3 ID - 10_4153_CJM_1977_040_3 ER -