M. Kumariand and G. Nath, “Unsteady Free Convection Boundary Layer Flow at a Three-Dimensional Stagnation Point”, Eng. Trans., vol. 32, no. 1, pp. 3–12, Mar. 1984, Accessed: Jan. 17, 2026. [Online]. Available: http://et.ippt.gov.pl/index.php/et/article/view/1874