[MathOuvrage]
An Introduction to the theory of numbers
/ Niven, Ivan ; Zuckerman, Herbert S. ; Montgomery, Hugh L..
-Brisbane, Chichester, New York NY, Singapore, Toronto : John Wiley, 1991. - xiii, 527 p. ; 23 cm
[MathOuvrage]
Irrational numbers
/ Niven, Ivan.
-New York : Mathematical Association of America, 1963. - xii, 164