%0 Journal Article %A Constantin Costara %T Nonlinear maps preserving the elementary symmetric functions %J Ars Mathematica Contemporanea %D 2021 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2488.f5c/ %R 10.26493/1855-3974.2488.f5c %G en %F 10_26493_1855_3974_2488_f5c