TY - JOUR AU - A. E. Pankratiev TI - Infinite periodic factor groups of hyperbolic products JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1999 SP - 1035 EP - 1036 VL - 54 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1999_54_5_a12/ LA - en ID - RM_1999_54_5_a12 ER -