T hree Solutions For A (p(x, .), q(x, .))—Kirchhof Type Elliptic System in General Fractional Sobolev Space With Variable Exponents. Minimax Theory and its Applications, [S. l.], v. 10, n. 1, p. 164–191, 2025. Disponível em: https://journalmta.com/index.php/jmta/article/view/192. Acesso em: 27 may. 2026.