KISELIOVA, Danutė. Dinamics of the contents of the set "The world of mathematics" . Lietuvos matematikos rinkinys, [S. l.], v. 38, n. II, p. 269–275 , 1998. DOI: 10.15388/LMD.1998.37914. Disponível em: https://www.journals.vu.lt/LMR/article/view/37914. Acesso em: 16 may. 2025.