TY  - BOOK
AU  - Dudley,Underwood
TI  - Elementary number theory
T2  - A series of books in mathematics
SN  - 0716704382
AV  - QA241 
U1  - 512/.81 
PY  - 1969///]
CY  - San Francisco
PB  - Freeman
KW  - Number theory
KW  - Einführung
KW  - gnd-content
N1  - Bibliography: p. [187]-189
UR  - http://www.gbv.de/dms/hbz/toc/ht000540995.pdf
ER  -