Baidabekov А. Theoretical basis of biquadratic transformation. Рroblems of engineering and professional education, [S. l.], v. 8, n. 8, p. 63, 2023. DOI: 10.32523/2220-685X-2011-8-8-63. Disponível em: https://bulprengpe.enu.kz/index.php/main/article/view/316. Acesso em: 24 nov. 2024.