VAŠKAS, P. Sur la stratification des complexes de droites. Lithuanian Mathematical Journal, [S. l.], v. 3, n. 1, p. 51–59, 1963. DOI: 10.15388/LMJ.1963.19405. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19405. Acesso em: 14 apr. 2025.