@book{62839,
	author = {Voloshin, Vitaly I. and ebrary, Inc.},
	title = {Introduction to graph and hypergraph theory},
	publisher = {Nova Science Publishers,},
	year = {c2009.},
	address = {Hauppauge, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10671361}
}