TY  - JOUR
AU  - P. G. Lasy
TI  - Characteristic vectors of linear Pfaffian systems
JO  - Differencialʹnye uravneniâ
PY  - 1982
SP  - 901
EP  - 903
VL  - 18
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1982_18_5_a26/
LA  - ru
ID  - DE_1982_18_5_a26
ER  -