Stanzhytskyi, O.M. and Shovkoplyas, T.V. 2020. Condition for solvability of a boundary value problem and bifurcation of its solution. Journal of Mathematics, Mechanics and Computer Science. 108, 4 (Dec. 2020), 3–17. DOI:https://doi.org/10.26577/JMMCS.2020.v108.i4.01.