KAVALIAUSKAS, Algis. Peculiarity of mathematical objects. Dimensional figures. Lietuvos matematikos rinkinys, [S. l.], v. 47, n. spec., p. 240–243, 2021. DOI: 10.15388/LMR.2007.24205. Disponível em: https://www.journals.vu.lt/LMR/article/view/24205.. Acesso em: 6 may. 2024.