Popovich, G. V., and R. O. Popovich. “On Navier-Stokes Fields With Linear Vorticity”. Ukrains’kyi Matematychnyi Zhurnal 49, no. 9 (September 25, 1997): 1223–1229. Accessed May 17, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5121.