AN INTRODUCTION
TO THE
THEORYOFNUMBERS
BY
G. H. HARDY
AND
E. M. WRIGHT
Principal and Vice-Chancellor of the
University of Aberdeen
FOURTH EDITION
OX.FORD
AT THE CLARENDON PRESS

Fi& edition 1938
Second edition xg45
Third edition 1954
Fourth edition 1960
rg6z (with corrections)
1965 (with corrections)
1968 (with cowectiona)