TY  - JOUR
AU  - A. V. Makhorkin
TI  - The normal form on an invariant surface of a completely integrable Pfaffian system
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1824
EP  - 1827
VL  - 20
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_10_a25/
LA  - ru
ID  - DE_1984_20_10_a25
ER  -