Barnett, I. A. 1894-, Elements of number theory / [print] I.A. Barnett. - Boston : Prindle, Weber and Schmidt, (c)1972. - x, 213 pages : illustrations ; 24 cm. LCCN: 69012290 Subjects--Topical Terms: Number theory. LC Class. No.: QA241.B261.E446 1972 QA241