Approximate analytical investigation of the elastic-plastic behaviour of fibrous composites. Part II. External loading. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 83, n. 2, p. 21–35, 1992. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/513. Acesso em: 14 dec. 2025.