%0 Journal Article %A G. I. Kurbatova %A E. M. Vinogradova %T Analytical and numerical solutions of two-dimensional problems of heat conduction and electronic optics %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2021 %P 345-352 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2021_17_4_a2/ %G ru %F VSPUI_2021_17_4_a2