Iskakov, S.A., M.I. Ramazanov, and I.A. Ivanov. 2015. “The First Boundary Problem for Heat Conduction Equation With a Load of Fractional Order. II ”. Bulletin of the Karaganda University. Mathematics Series 78 (2):25-30. http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/18.