TY - JOUR AU - Plevnik, Lucijan AU - Å emrl, Peter TI - Maps Preserving Complementarity of Closed Subspaces of a Hilbert Space JO - Canadian journal of mathematics PY - 2014 SP - 1143 EP - 1166 VL - 66 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-025-4/ DO - 10.4153/CJM-2013-025-4 ID - 10_4153_CJM_2013_025_4 ER -