TY - JOUR AU - Jakubík, Ján TI - Partially ordered sets having selfdual system of intervals JO - Mathematica Bohemica PY - 1998 SP - 271 EP - 278 VL - 123 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1998.126074/ DO - 10.21136/MB.1998.126074 LA - en ID - 10_21136_MB_1998_126074 ER -