Existence of Three Weak Solutions for a Class of Quasi-Linear Elliptic Operators with a Mixed Boundary Value Problem Containing $p(·)$-Laplacian in a Variable Exponent Sobolev Space. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 6, n. 1, p. 107–132, 2024. DOI: 10.12150/jnma.2024.107. Disponível em: https://www.global-sci.com/index.php/jnma/article/view/13725. Acesso em: 6 dec. 2025.