KopytkoB., OsypchukM. and ShevchukR. 2023. Diffusion in media with membranes and some nonlocal parabolic problems. Ukrains’kyi Matematychnyi Zhurnal. 75, 11 (Nov. 2023), 1450 - 1472. DOI:https://doi.org/10.3842/umzh.v75i11.7379.