@book{8945,
	author = {Morgenstern, Dietrich, and Szabó, István,},
	title = {Vorlesungen über theoretische Mechanik /},
	publisher = {Springer,},
	year = {c1961.},
	series = {Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen,},
	address = {Berlin :}
}