BISHOP, S. A.; EKE, K. S.; AKEWE, H.; OKEKE, G. Solutions of Integral Nonclassical Ordinary Differential Equations Via Contractor Maps. Communications in Mathematics and Applications, [S. l.], v. 9, n. 4, p. 513–519, 2018. DOI: 10.26713/cma.v9i4.882. Disponível em: https://www.rgnpublications.com/journals/index.php/cma/article/view/882. Acesso em: 29 apr. 2024.