TY  - BOOK
AU  - Bryant,Robert,Griffiths,Phillip
AU  - Grossman,Daniel
TI  - EXTERIOR DIFFERENTIAL SYSTEMS AND EULER-LAGRANGE PARTIAL DIFFERENTIAL EQUATIONS
SN  - 0226077942
U1  - 516.36 
PY  - 2003///
CY  - 
PB  - University Of Chicago, Chicago
KW  - Eterior Differential Systems
KW  - Lagrange Equations
ER  -