AHMED KHALAF RADHI. On One Inequality for Two Hyperbolic Transformations. International Journal of Mathematics And its Applications, [S. l.], v. 4, n. 1 - A, p. 59–62, 2016. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/545. Acesso em: 21 may. 2024.