PHUC, N. T. New concepts of theory of gearing and a method for reverse synthesis of the gearing. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 33, n. 3, p. 194–202, 2011. DOI: 10.15625/0866-7136/33/3/212. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/212. Acesso em: 27 jun. 2022.