TY  - BOOK
AU  - Niven, Ivan Morton,
TI  - Irrational numbers
T2  - Carus mathematical monographs,
U1  - 512.81 
PY  - 1956///]
CY  - [Buffalo]
PB  - Mathematical Association of America; distributed by J. Wiley [New York
KW  - Irrational numbers
ER  -