JANUŠKEVIČIUS, Romanas. On the stability of a characterization by the lack of memory property. Lietuvos matematikos rinkinys, [S. l.], v. 43, n. spec., p. 693–696, 2003. DOI: 10.15388/LMR.2003.32566. Disponível em: https://www.journals.vu.lt/LMR/article/view/32566.. Acesso em: 20 may. 2024.