@book{3701,
	author = {Billstein , Rick. and Libeskind, Shlomo.  },
	title = {A problem solving approach to mathematics /},
	publisher = {Addison-Wesley Pub. Co.,},
	year = {©1993.},
	address = {Reading, Mass. : },
	edition = {5th ed.},
	note = {Includes index}
}