TY  - JOUR
AU  - N. D. Beklemishev
TI  - Invariants of cubic forms in four variables
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1982
SP  - 42
EP  - 49
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1982_2_a10/
LA  - ru
ID  - VMUMM_1982_2_a10
ER  -