SING, P. Some theoremes of the Meyer $K_v$-transformation. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 4, p. 481–492, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8582. Acesso em: 6 dec. 2025.