Haseganu, E. M., F. P. J. Rimrott, and P. E. Tovstik. 2019. “Axially Symmetric Deformations of Thin Flexible Multi-Layered Shells of Revolution”. Technische Mechanik - European Journal of Engineering Mechanics 22 (4):291-305. https://journals.ub.ovgu.de/index.php/techmech/article/view/1032.