Hladun, V., Hoyenko, N., Ventyk, L. and Manziy, O. 2021. About the calculation of hypergeometric function F4 (1,2;2,2; z1, z2 ) by the branched continued fraction of a special kind. PHYSICO-MATHEMATICAL MODELLING AND INFORMATIONAL TECHNOLOGIES. 32 (Jul. 2021), 86-90. DOI:https://doi.org/10.15407/fmmit2021.32.086.