@article{JOLT_2014_24_4_a1, author = {Mikhail V. Ignatyev and Anton S. Vasyukhin}, title = {Rook {Placements} in {A\protect\textsubscript{n}} and {Combinatorics} of {B-Orbit} {Closures}}, journal = {Journal of Lie Theory}, pages = {931--956}, year = {2014}, volume = {24}, number = {4}, url = {http://geodesic.mathdoc.fr/item/JOLT_2014_24_4_a1/} }