LANDJEV, I.; ROUSSEVA, A. ON THE EXTENDABILITY OF GRIESMER ARCS. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 101, p. 183–192, 2013. Disponível em: https://stipendii.uni-sofia.bg/index.php/fmi/article/view/238. Acesso em: 21 nov. 2024.