TY - JOUR AU - I. K. Babenko TI - Topological entropy of geodesic flows on simply connected manifolds, and related topics JO - Izvestiya. Mathematics PY - 1997 SP - 517 EP - 535 VL - 61 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1997_61_3_a1/ LA - en ID - IM2_1997_61_3_a1 ER -