Huben, Robert, S. Kaliszewski, Nadia S. Larsen, and John Quigg. “Gauge-Invariant Uniqueness Theorems for $P$-Graphs”. MATHEMATICA SCANDINAVICA 130, no. 1 (February 26, 2024). Accessed October 9, 2024. https://www.mscand.dk/article/view/139786.