TY  - BOOK
AU  -  Dudley,Underwood
TI  -  Elementary number theory / 
SN  -  0716704382
U1  -  512.7 
PY  - 1969///
CY  -  San Francisco : 
PB  -  Freeman, 
KW  -  Number theory
N1  -  Includes bibliographical references (p. 187-189) and index
ER  -