TY  - JOUR
AU  - Bureš, Jarolím
TI  - Differential operators and $G$-structures of higher order
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1971
SP  - 327
EP  - 335
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1971__12_2_a8/
LA  - en
ID  - CMUC_1971__12_2_a8
ER  -