TY - JOUR AU - Pfeiffer, Götz TI - Counting transitive relations JO - Journal of integer sequences PY - 2004 VL - 7 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JIS_2004__7_3_a6/ LA - en ID - JIS_2004__7_3_a6 ER -