@book{4203,
	author = {International Astronomical Union and International Astronomical Union Colloquium and Lecar, Myron., ed. and International Astronomical Union},
	title = {Gravitational N-body problem},
	publisher = {D. Reidel Publishing},
	year = {1972},
	series = {Astrophysics and space science library; v. 31},
	address = {Dordrecht}
}