%0 Journal Article
%A Molnar, Lajos
%T Maps preserving general means of positive operators
%J The electronic journal of linear algebra
%D 2011
%P 864-874
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_2011__22__a19/
%G en
%F ELA_2011__22__a19