BURGIS, Bronislovas. Basic course of mathematics created by overlapping methodology of topics. Lietuvos matematikos rinkinys, [S. l.], v. 46, n. spec., p. 127–130, 2023. DOI: 10.15388/LMR.2006.30591. Disponível em: https://www.journals.vu.lt/LMR/article/view/30591.. Acesso em: 18 may. 2024.