%0 Journal Article %A Bart De Bruyn %T On a class of hyperplanes of the symplectic and Hermitian dual polar spaces %J The electronic journal of combinatorics %D 2009 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/90/ %R 10.37236/90 %F 10_37236_90