@article{ZNSL_2012_400_a7, author = {M. V. Ignat'ev}, title = {The {Bruhat--Chevalley} order on involutions of the hyperoctahedral group and~combinatorics of $B$-orbit closures}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {166--188}, publisher = {mathdoc}, volume = {400}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZNSL_2012_400_a7/} }