MANSTAVIČIUS, Eugenijus. Value concentration of additive functions on semigroups. Lietuvos matematikos rinkinys, [S. l.], v. 43, n. spec., p. 70–74, 2003. DOI: 10.15388/LMR.2003.32321. Disponível em: https://www.journals.vu.lt/LMR/article/view/32321.. Acesso em: 14 may. 2024.