Nhu, Ngo Huong. “The Forms of the Shell With Zero Bending Stresses Subjected to Hydrostatic Pressure and Other Loads”. <i>Vietnam Journal of Mechanics</i> 19, no. 2 (June 30, 1997): 39–43. Accessed January 12, 2026. https://vjes.vast.vn/vjmech/article/view/10053.