ŠINKŪNAS, J. Sur l’espace des linéars d’appuis. Lithuanian Mathematical Journal, [S. l.], v. 6, n. 3, p. 449–455, 1966. DOI: 10.15388/LMJ.1966.19742. Disponível em: https://test.zurnalai.vu.lt/LMJ/article/view/19742. Acesso em: 26 oct. 2025.