TY  - JOUR
AU  - P. V. Svetlov
TI  - Metrics of nonpositive curvature on infinite graph-manifolds
JO  - Algebra i analiz
PY  - 2001
SP  - 174
EP  - 195
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2001_13_4_a8/
LA  - ru
ID  - AA_2001_13_4_a8
ER  -