TY - JOUR AU - Fischer, Ilse TI - Refined enumerations of alternating sign matrices: Monotone $(d,m)$-trapezoids with prescribed top and bottom row JO - Journal of Algebraic Combinatorics PY - 2011 SP - 239 EP - 257 VL - 33 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JAC_2011__33_2_a3/ LA - en ID - JAC_2011__33_2_a3 ER -