TY  - BOOK
AU  - Yarnelle,John E.
AU  - Spreckelmeyer,Richard L.
TI  - The rational numbers
T2  - Thinking with mathematics
AV  - QA241 .Y3
U1  - 512.81 
PY  - 1965///]
CY  - Boston
PB  - Heath
KW  - Number theory
KW  - Local
ER  -