STANZHYTSKYI, O. M.; SHOVKOPLYAS, T. V. Condition for solvability of a boundary value problem and bifurcation of its solution. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 108, n. 4, p. 3–17, 2020. DOI: 10.26577/JMMCS.2020.v108.i4.01. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/815. Acesso em: 3 jul. 2024.