TY  - JOUR
AU  - S. V. Ivanov
TI  - A contractible geodesically complete space of curvature $\le1$ and with arbitrarily small diameter
JO  - Algebra i analiz
PY  - 2001
SP  - 110
EP  - 118
VL  - 13
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/AA_2001_13_4_a4/
LA  - ru
ID  - AA_2001_13_4_a4
ER  -