@article{RM_1995_50_4_a11,
     author = {Z. G. Psiola},
     title = {Topological aspects of the study of the model of a~monopolist},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {828--829},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1995_50_4_a11/}
}