H. EL-OWAIDY; A. M. A. EL-SAYED; REDA GAMAL AHMED. Existence of solutions of a coupled system of functional integro-differential equations of arbitrary (fractional) orders. Malaya Journal of Matematik, India, v. 6, n. 04, p. 774–780, 2018. DOI: 10.26637/MJM0604/0011. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/928. Acesso em: 16 jul. 2024.