@book{9973,
	author = {Sprindzuk, Vladimir G. and Silverman, Richard A.},
	title = {Metric theory of diophantine approximations},
	publisher = {Rinehart and Winston,},
	year = {1979},
	series = {Scripta series in Mathematics},
	address = {Washington:},
	note = {"A halsted press book also published by John Wiley and sons".}
}