TRAN, V.-T. Generation of a double-crowned involute helical gear with twist-free tooth flanks by a CNC hobbing machine with three synchronous axes. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 39, n. 2, p. 97–108, 2017. DOI: 10.15625/0866-7136/8005. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/8005. Acesso em: 3 apr. 2025.