@article{JAC_2013__38_1_a3,
     author = {Cerulli Irelli, Giovanni and Feigin, Evgeny and Reineke, Markus},
     title = {Degenerate flag varieties: moment graphs and {Schr\"oder} numbers},
     journal = {Journal of Algebraic Combinatorics},
     pages = {159--189},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2013__38_1_a3/}
}