@book{knuth1989concrete,
	title = {Concrete Mathematics: A Foundation for Computer Science},
	address = {Reading},
	author = {Ronald L. Graham and Donald E. Knuth and Oren Patashnik},
	publisher = {Addison-Wesley},
	year = {1989},
	biburl = {http://www.bibsonomy.org/bibtex/2ccef670ef39186763ecd379d2cca1e0a/jaeschke},
	keywords = {computer knuth latex mathematics science }
}