TY  - JOUR
AU  - V. A. Churkin
TI  - Crystallographic groups with two lattices and metric Lie algebras
JO  - Algebra i logika
PY  - 2013
SP  - 772
EP  - 777
VL  - 52
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2013_52_6_a6/
LA  - ru
ID  - AL_2013_52_6_a6
ER  -