Kosmakova, M., Romanovski, V., Orumbayeva, N., Tuleutaeva, Z., & Kasymova, L. (2019). On the integral equation of an adjoint boundary value problem of heat conduction. Bulletin of the Karaganda University. Mathematics Series, 95(3), 33–43. https://doi.org/10.31489/2019m2/33-43