[1]
Stensones, B. 1989. Proper holomorphic mappings from strongly pseudoconvex domains in $\mathsf{C}^2$ to the unit polydisc in $\mathsf{C}^2$. MATHEMATICA SCANDINAVICA. 65, (Dec. 1989), 129–139. DOI:https://doi.org/10.7146/math.scand.a-12271.