OTERA, Daniele Ettore. Geometry and topology of groups. Lietuvos matematikos rinkinys, [S. l.], v. 54, n. A, p. 43–48, 2013. DOI: 10.15388/LMR.A.2013.11. Disponível em: https://www.journals.vu.lt/LMR/article/view/14890.. Acesso em: 5 may. 2024.