ABD EL-SALAM SH. A.; GAAFAR F. M. On two general nonlocal differential equations problems of fractional orders. Malaya Journal of Matematik, India, v. 6, n. 03, p. 478–482, 2018. DOI: 10.26637/MJM0603/0003. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/825. Acesso em: 2 nov. 2024.