Ilkiv, V., Nytrebych, Z., Pukach, P. and Vovk, M. 2020. Two-point boundary value problem for a partial differential equation in spaces of periodic functions. Matematychni Studii. 54, 1 (Oct. 2020), 79-90. DOI:https://doi.org/10.30970/ms.54.1.79-90.