TY  - JOUR
AU  - Neofytidis, Christoforos
TI  - On a problem of Hopf for circle bundles over aspherical manifolds with hyperbolic fundamental groups
JO  - Algebraic and Geometric Topology
PY  - 2023
SP  - 3205
EP  - 3220
VL  - 23
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2023.23.3205/
DO  - 10.2140/agt.2023.23.3205
ID  - 10_2140_agt_2023_23_3205
ER  -