Stensones, Berit. “Proper Holomorphic Mappings from Strongly Pseudoconvex Domains in $\mathsf{C}^2$ to the Unit Polydisc in $\mathsf{C}^2$”. MATHEMATICA SCANDINAVICA 65 (December 1, 1989): 129–139. Accessed November 23, 2024. https://www.mscand.dk/article/view/12271.