A first-order in thickness model for flexural deformations of geometrically non-linear shells. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 89, p. 129–140, 1997. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/362. Acesso em: 15 dec. 2025.