TY  - DATA
AU  - Robert L. Bryant, S.S. Chern, Robert B. Gardner, Hubert L. Goldschmidt, P.A. Griffiths
TI  - Exterior Differential Systems
SN  - 9781461397144
PY  - 1991///
PB  - Springer New York
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-1-4613-9714-4
ER  -