TY  - JOUR
AU  - P. D. Andreev
AU  - V. V. Starostina
TI  - Geometry of tangent cone to $G$-space of nonpositive curvature with distinguished family of segments
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 2016
SP  - 3
EP  - 14
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_2016_1_a0/
LA  - ru
ID  - IVM_2016_1_a0
ER  -