%0 Journal Article %A Neofytidis, Christoforos %T On a problem of Hopf for circle bundles over aspherical manifolds with hyperbolic fundamental groups %J Algebraic and Geometric Topology %D 2023 %P 3205-3220 %V 23 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2023.23.3205/ %R 10.2140/agt.2023.23.3205 %F 10_2140_agt_2023_23_3205