@article{10_4064_sm200_1_5,
     author = {Constantin Costara and Du\v{s}an Repov\v{s}},
     title = {Nonlinear mappings preserving at least one eigenvalue},
     journal = {Studia Mathematica},
     pages = {79--89},
     publisher = {mathdoc},
     volume = {200},
     number = {1},
     year = {2010},
     doi = {10.4064/sm200-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm200-1-5/}
}