Kosmakova, M. et al. 2022. On the non-uniqueness of the solution to a boundary value problem of heat conduction with a load in the form of a fractional derivative. Bulletin of the Karaganda University. Mathematics Series. 108, 4 (Dec. 2022), 98–106. DOI:https://doi.org/10.31489/2022m4/98-106.