Baidabekov А. Designing tunnel-shaped surfaces with the use of biquadrate transformation. Рroblems of engineering and professional education, [S. l.], v. 1, n. 1, p. 42, 2022. DOI: 10.32523/2220-685X-2010-1-1-42. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/17. Acesso em: 21 nov. 2024.