“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”, JNMA, vol. 6, no. 1, pp. 107–132, Mar. 2024, doi: 10.12150/jnma.2024.107.