ALIEV, R. A.; ASGAROVA, A. A.; ISMAILOV, V. E. On the representation by bivariate ridge functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 73, n. 5, p. 579 – 588, 2021. DOI: 10.37863/umzh.v73i5.263. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/263. Acesso em: 7 apr. 2025.