1. L. B. Gnativ, M. V. Kutniv, and V. L. Makarov, “Generalized three-point difference schemes of high-order accuracy for systems of second-order nonlinear ordinary differential equations,” Differ. Equat., 45, No. 7, 998–1019 (2009).
2. L. B. Gnativ, M. V. Kutniv, and A. I. Chukhrai, “Generalized three-point difference schemes of high order of accuracy for nonlinear ordinary differential equations of the second order,” J. Math. Sci., 167, No. 1, 62–75 (2010).
3. M. V. Kutniv, “Accurate three-point difference schemes for second-order monotone ordinary differential equations and their implementation,” Comput. Math. Math. Phys., 40, No. 3, 368–382 (2000).
4. M. V. Kutniv, “Three-point difference schemes of high accuracy order for systems of nonlinear ordinary differential equations of second order,” Comput. Math. Math. Phys., 41, No. 6, 860–873 (2001).
5. M. V. Kutniv, “High-order accurate three-point difference schemes for systems of second-order ordinary differential equations with a monotone operator,” Comput. Math. Math. Phys., 42, No. 5, 724–738 (2002).