TY  - JOUR
AU  - A. B. Levin
TI  - Dimension polynomials of intermediate differential fields and the strength of a~system of differential equations with group action
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 2008
SP  - 167
EP  - 180
VL  - 14
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_2008_14_4_a10/
LA  - ru
ID  - FPM_2008_14_4_a10
ER  -