TY - JOUR AU - Blessenohl, Dieter TI - An unpublished theorem of Manfred Schocker and the Patras-Reutenauer algebra JO - Journal of Algebraic Combinatorics PY - 2008 SP - 25 EP - 42 VL - 28 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2008__28_1_a9/ LA - en ID - JAC_2008__28_1_a9 ER -