RABHA W. IBRAHIM; S. K. ELAGAN. On solutions for classes of fractional differential equations. Malaya Journal of Matematik, India, v. 2, n. 04, p. 411–418, 2014. DOI: 10.26637/mjm204/007. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/432. Acesso em: 16 jul. 2024.