%0 Journal Article %A Constantin Costara %A Dušan Repovš %T Nonlinear mappings preserving at least one eigenvalue %J Studia Mathematica %D 2010 %P 79-89 %V 200 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm200-1-5/ %R 10.4064/sm200-1-5 %G en %F 10_4064_sm200_1_5