Fosner, Ajda; Šemrl, Peter: Additive maps on matrix algebras preserving invertibility. (English). - [J] Acta Math. Sin., Engl. Ser. 21, No. 4, 681-684 (2005). [ISSN 1439-8516; ISSN 1439-7617]Kuzma, Bojan (Avtor) matematikalinearna algebraaditivna preslikavaohranjevalec obrnljivostiohranjevalec singularnostimatrična algebra20062013-10-15 12:05:07Delo ni kategorizirano702sl