%0 Journal Article %A B. A. Vasil'ev %T A plane stationary problem of the theory of heat conduction for polygonal domains with a boundary condition of the third kind %J Differencialʹnye uravneniâ %D 1981 %P 1656-1660 %V 17 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_9_a13/ %G ru %F DE_1981_17_9_a13