TY  - JOUR
AU  - A. I. Egorov
TI  - On the problem of classifying metric spaces of linear elements with respect to admissible groups of motions $G_r$
JO  - Trudy Geometricheskogo Seminara
PY  - 1990
SP  - 31
EP  - 39
VL  - 20
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUTGS_1990_20_a3/
LA  - ru
ID  - KUTGS_1990_20_a3
ER  -