TY  - JOUR
AU  - P. V. Svetlov
TI  - Graph-manifolds of nonpositive curvature are virtually fibered over a circle
JO  - Algebra i analiz
PY  - 2002
SP  - 188
EP  - 201
VL  - 14
IS  - 5
UR  - http://geodesic.mathdoc.fr/item/AA_2002_14_5_a9/
LA  - ru
ID  - AA_2002_14_5_a9
ER  -