%0 Journal Article %A Molnár, Lajos %T Maps on positive operators preserving Lebesgue decompositions %J The electronic journal of linear algebra %D 2009 %P 222-232 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2009__18__a39/ %G en %F ELA_2009__18__a39