%0 Journal Article %A Z. G. Psiola %T Topological aspects of the study of the model of a~monopolist %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 828-829 %V 50 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1995_50_4_a11/ %G en %F RM_1995_50_4_a11