TY - JOUR AU - Jakubík, Ján AU - Csontóová, Mária TI - Cancellation rule for internal direct product decompositions of a connected partially ordered set JO - Mathematica Bohemica PY - 2000 SP - 115 EP - 122 VL - 125 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2000.126261/ DO - 10.21136/MB.2000.126261 LA - en ID - 10_21136_MB_2000_126261 ER -