Volker W. THÜREY. The Vertices of a Graph and its Dimension. Recent Advances in Mathematical Research and Computer Science Vol. 4, [S. l.], p. 133–139, 2021. DOI: 10.9734/bpi/ramrcs/v4/13796D. Disponível em: https://stm.bookpi.org/RAMRCS-V4/article/view/4879. Acesso em: 20 jun. 2026.