@book{51387,
	author = {International Symposium on Nonlinear Differential Equations and Nonlinear Mechanics and LaSalle, Joseph P., and United States Air Force Academy.},
	title = {International Symposium on Nonlinear Differential Equations and Nonlinear Mechanics /},
	publisher = {Academic Press,},
	year = {c1963},
	address = {New York :},
	note = {The symposium was held at the U.S. Air Force Academy, and was sponsored by the Air Force Office of Scientific Research and RIAS.}
}