%0 Journal Article %A Howlett, Robert B. %A Nguyen, Van Minh %T $W$-graph ideals and biideals %J Journal of Algebraic Combinatorics %D 2016 %P 237-275 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2016__43_1_a0/ %G en %F JAC_2016__43_1_a0