KHOLYAVKA, O. T. Hyperbolic Variational Inequality of the Third Order with Variable Exponent of Nonlinearity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 4, p. 518–530, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2154. Acesso em: 14 apr. 2025.