EHIGIE, J. O.; JATOR, S. N.; OKUNUGA, S. A. A CONTINUOUS RUNGE-KUTTA-NYSTR¨OM COLLOCATION METHOD WITH TRIGONOMETRIC COEFFICIENTS FOR PERIODIC INITIAL VALUE PROBLEMS. Journal of the Nigerian Mathematical Society, [S. l.], v. 36, n. 1, p. 139–162, 2017. Disponível em: https://ojs.ictp.it/jnms/index.php/jnms/article/view/92. Acesso em: 8 feb. 2023.