OHSUGI, Hidefumi; HIBI, Takayuki. Toric Ideals of Finite Graphs and Adjacent 2-Minors. Mathematica Scandinavica, Berkeley, CA, United States, v. 114, n. 2, p. 185–190, 2014. DOI: 10.7146/math.scand.a-17105. Disponível em: https://journals.msp.org/mscand/article/view/427. Acesso em: 24 jul. 2026.