@book{17215,
	author = {Vazsonyi, Andrew and George Forsythe},
	title = {Problem solving by Digital computers with PL/I Programming},
	publisher = {Prentice-Hall},
	year = {1970},
	series = {Prentice-Hall series in automatic computation},
	address = {New Jersey},
	note = {Includes Appendix, Glossary and Index}
}