%0 Journal Article %A Fischer, Ilse %T Refined enumerations of alternating sign matrices: Monotone $(d,m)$-trapezoids with prescribed top and bottom row %J Journal of Algebraic Combinatorics %D 2011 %P 239-257 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2011__33_2_a3/ %G en %F JAC_2011__33_2_a3