TY  - JOUR
AU  - È. I. Grudo
TI  - Characteristic vectors of the solutions of linear homogeneous Pfaffian systems
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 826
EP  - 840
VL  - 13
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_5_a3/
LA  - ru
ID  - DE_1977_13_5_a3
ER  -