%0 Journal Article %A M. E. Sagalovich %T Classes of local topological structures of the equilibrium state %J Differencialʹnye uravneniâ %D 1979 %P 360-362 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_2_a23/ %G ru %F DE_1979_15_2_a23