TY  - JOUR
AU  - N. H. Ibragimov
TI  - Seven notes on group analysis
JO  - Differencialʹnye uravneniâ
PY  - 1993
SP  - 1739
EP  - 1750
VL  - 29
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1993_29_10_a9/
LA  - ru
ID  - DE_1993_29_10_a9
ER  -