%0 Journal Article %A G. I. Kalmykov %T Solution of a~type of diffusion equation %J Informatics and Automation %D 1964 %P 62-77 %V 71 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1964_71_a7/ %G ru %F TRSPY_1964_71_a7