Kadirbayeva, Zh.M., E.A. Bakirova, A.Sh. Dauletbayeva, и A.A. Kassymgali. «AN ALGORITHM FOR SOLVING A BOUNDARY VALUE PROBLEM FOR ESSENTIALLY LOADED DIFFERENTIAL EQUATIONS». Physico-mathematical series, no. 2 (апрель 15, 2021): 6–14. просмотрено декабрь 4, 2024. http://550300.0ncwlf7ax.asia/physics-mathematics/article/view/279.