ZAMFIRESCU, T. On longest paths and circuits in graphs. MATHEMATICA SCANDINAVICA, [S. l.], v. 38, p. 211–239, 1976. DOI: 10.7146/math.scand.a-11630. Disponível em: https://www.mscand.dk/article/view/11630. Acesso em: 29 apr. 2024.