GUBBIOTTI, G.; LEVI, D.; SCIMITERNA, C. ON PARTIAL DIFFERENTIAL AND DIFFERENCE EQUATIONS WITH SYMMETRIES DEPENDING ON ARBITRARY FUNCTIONS. Acta Polytechnica, [S. l.], v. 56, n. 3, p. 193–201, 2016. DOI: 10.14311/AP.2016.56.0193. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/3411. Acesso em: 2 may. 2024.