%0 Journal Article %A A. E. Pankratiev %T Infinite periodic factor groups of hyperbolic products %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 1035-1036 %V 54 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_5_a12/ %G en %F RM_1999_54_5_a12