PALIULIONIENĖ , Laima. Finding internal and situational differences between two knowledge bases. Lietuvos matematikos rinkinys, [S. l.], v. 44, n. spec., p. 351–356, 2004. DOI: 10.15388/LMR.2004.31715. Disponível em: https://www.journals.vu.lt/LMR/article/view/31715. Acesso em: 31 jan. 2025.