BlatovI. A., PokornayaI. Y. and StryginV. V. (1994) “Collocation method for solving singularly perturbed boundary-value problems by using cubic splines”, Ukrains’kyi Matematychnyi Zhurnal, 46(4), pp. 411–417. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5738 (Accessed: 27July2024).