%0 Journal Article %A T. G. Petrosyan %T An upper bound for the number of product-free sets in a~class of groups %J Diskretnaya Matematika %D 2007 %P 76-88 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2007_19_1_a9/ %G ru %F DM_2007_19_1_a9