@book{11772,
	author = {Courant, Richard, and Friedrichs, K. O.},
	title = {Supersonic flow and shock waves /},
	publisher = {Interscience Publishers,},
	year = {1948.},
	series = {Pure and applied mathematics ;},
	address = {New York :},
	note = {"Originates from a report issued in 1944 under the auspices of the Office of Scientific Research and Development."}
}