ZAMFIRESCU, Tudor. On longest paths and circuits in graphs. Mathematica Scandinavica, Berkeley, CA, United States, v. 38, p. 211–239, 1976. DOI: 10.7146/math.scand.a-11630. Disponível em: https://journals.msp.org/mscand/article/view/2014. Acesso em: 25 jul. 2026.