HILMER, Kieran; PINCHASI, Rom; PONOMARENKO, Vadim. A Theorem on Indifference Graphs. The PUMP Journal of Undergraduate Research, [S. l.], v. 4, p. 161–167, 2021. DOI: 10.46787/pump.v4i0.2613. Disponível em: https://journals.calstate.edu/pump/article/view/2613. Acesso em: 3 jul. 2024.