%0 Journal Article %A Pavel S. Molchanov %A Philip A. Ushchev %T The impact of market size on multi-product firms' concentration in a~monopolistic competition model %J Matematičeskaâ teoriâ igr i eë priloženiâ %D 2013 %P 27-57 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MGTA_2013_5_3_a1/ %G ru %F MGTA_2013_5_3_a1