TY - JOUR AU - Hultman, Axel AU - Vorwerk, Kathrin TI - Pattern avoidance and Boolean elements in the Bruhat order on involutions JO - Journal of Algebraic Combinatorics PY - 2009 SP - 87 EP - 102 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2009__30_1_a2/ LA - en ID - JAC_2009__30_1_a2 ER -