%0 Journal Article %A Plevnik, Lucijan %A Å emrl, Peter %T Maps Preserving Complementarity of Closed Subspaces of a Hilbert Space %J Canadian journal of mathematics %D 2014 %P 1143-1166 %V 66 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-025-4/ %R 10.4153/CJM-2013-025-4 %F 10_4153_CJM_2013_025_4