TY  - JOUR
AU  - V. G. Kopp
TI  - Invariants of groups of motions in pseudo-Euclidean spaces
JO  - Trudy Geometricheskogo Seminara
PY  - 1983
SP  - 50
EP  - 57
VL  - 15
UR  - http://geodesic.mathdoc.fr/item/KUTGS_1983_15_a7/
LA  - ru
ID  - KUTGS_1983_15_a7
ER  -