Zajączkowski, Wojciech M. “Global Special Regular Solutions to the Navier-Stokes Equations in a Cylindrical Domain Without the Axis of Symmetry”. Topological Methods in Nonlinear Analysis, vol. 24, no. 1, Sept. 2004, pp. 69-105, https://apcz.umk.pl/TMNA/article/view/TMNA.2004.020.