%0 Journal Article %A A. L. Kazakov %A L. F. Spevak %T Approximate and exact solutions to the singular nonlinear heat equation with a common type of nonlinearity %J The Bulletin of Irkutsk State University. Series Mathematics %D 2020 %P 18-34 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2020_34_a1/ %G ru %F IIGUM_2020_34_a1