TY  - JOUR
AU  - I. Kh. Sabitov
TI  - Some remarks on the tubes of negative curvature
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 1995
SP  - 1033
EP  - 1043
VL  - 1
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_1995_1_4_a12/
LA  - ru
ID  - FPM_1995_1_4_a12
ER  -