TY  - JOUR
AU  - Fischer, Hanspeter
TI  - Pullbacks of generalized universal coverings
JO  - Algebraic and Geometric Topology
PY  - 2007
SP  - 1379
EP  - 1388
VL  - 7
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.1379/
DO  - 10.2140/agt.2007.7.1379
ID  - 10_2140_agt_2007_7_1379
ER  -