OKOR, T.; NWACHUKWU, G. C.; ADEYEYE, F. J. ROBUST EXTENDED TRAPEZOIDAL RULES FOR TWO-POINT STIFF AND NON-STIFF BOUNDARY VALUE PROBLEMS.: Array. Journal of the Nigerian Mathematical Society, [S. l.], v. 40, n. 2, p. 79–95, 2021. Disponível em: https://ojs.ictp.it/jnms/index.php/jnms/article/view/608. Acesso em: 24 oct. 2021.