HUBEN, Robert; KALISZEWSKI, S.; LARSEN, Nadia S.; QUIGG, John. Gauge-invariant uniqueness theorems for $P$-graphs. Mathematica Scandinavica, Berkeley, CA, United States, v. 130, n. 1, 2024. DOI: 10.7146/math.scand.a-139786. Disponível em: https://journals.msp.org/mscand/article/view/64. Acesso em: 24 jul. 2026.