%0 Journal Article %A Krzysztof Petelczyc %A Mariusz Żynel %T The complement of a subspace in a classical polar space %J Ars mathematica contemporanea %D 2019 %P 447-454 %V 17 %N 2 %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1917.ea5/ %R 10.26493/1855-3974.1917.ea5 %G en %F 10_26493_1855_3974_1917_ea5