RontoN.I., and PutyatinaT.V. “Application of the Collocation Method to the Multi-Point Boundary Value Problems With Integral Boundary Conditions ”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 11 (November 6, 1992): 1548-1555. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8258.