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://journals.vu.lt./LMR/article/view/14890. Acesso em: 26 apr. 2025.