SCHMIDT-STEUP, M. Infinite locally finite hypohamiltonian graphs. MATHEMATICA SCANDINAVICA, [S. l.], v. 58, p. 139–148, 1986. DOI: 10.7146/math.scand.a-12136. Disponível em: https://www.mscand.dk/article/view/12136. Acesso em: 6 may. 2024.