N.SH. IBRAGIMOV; J.A. KATTAXO’JAEVA. History of trigonometry . Miasto Przyszłości, [S. l.], v. 24, p. 37–43, 2022. Disponível em: https://miastoprzyszlosci.com.pl/index.php/mp/article/view/10. Acesso em: 3 jul. 2024.