%0 Journal Article %A A. Paszkiewicz %T On homomorphisms of projective lattices in complex Hilbert spaces %J Colloquium Mathematicum %D 1980 %P 271-280 %V 43 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-43-2-271-280/ %R 10.4064/cm-43-2-271-280 %G en %F 10_4064_cm_43_2_271_280