Bryant, R. L., Griffiths, P. 1., & Grossman, D. A. 1. (2003). Exterior differential systems and Euler-Lagrange partial differential equations. Chicago: University of Chicago Press.
Chicago Style CitationBryant, Robert L., Phillip 1938- Griffiths, and Daniel Andrew 1974- Grossman. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations. Chicago: University of Chicago Press, 2003.
MLA CitationBryant, Robert L., Phillip 1938- Griffiths, and Daniel Andrew 1974- Grossman. Exterior Differential Systems and Euler-Lagrange Partial Differential Equations. Chicago: University of Chicago Press, 2003.
Warning: These citations may not always be 100% accurate.