%0 Journal Article %A Mariel, Petr %T A dynamic model of advertising competition: an empirical analysis of feedback strategies %J Kybernetika %D 1997 %P 633-648 %V 33 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1997__33_6_a3/ %G en %F KYB_1997__33_6_a3