@article{10_4153_CJM_1993_025_4,
     author = {Bre\v{s}ar, Matej and \v{S}emrl, Peter},
     title = {Mappings which {Preserve} {Idempotents,} {Local} {Automorphisms,} and {Local} {Derivations}},
     journal = {Canadian journal of mathematics},
     pages = {483--496},
     year = {1993},
     volume = {45},
     number = {3},
     doi = {10.4153/CJM-1993-025-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-025-4/}
}