TY  - JOUR
AU  - S. V. Buyalo
TI  - An example of a~four-dimensional manifold of negative curvature
JO  - Algebra i analiz
PY  - 1993
SP  - 193
EP  - 199
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1993_5_1_a6/
LA  - ru
ID  - AA_1993_5_1_a6
ER  -