@article{JLT_2014_24_4_JLT_2014_24_4_a1,
     author = {M. V. Ignatyev and A. S. Vasyukhin },
     title = {Rook {Placements} in {A\protect\textsubscript{n}} and {Combinatorics} of {B-Orbit} {Closures}},
     journal = {Journal of Lie theory},
     pages = {931--956},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {2014},
     url = {http://geodesic.mathdoc.fr/item/JLT_2014_24_4_JLT_2014_24_4_a1/}
}