TY  - BOOK
AU  -  Honsberger,Ross
TI  -  Ingenuity in mathematics / 
U1  -  510   23
PY  - 1970///]
CY  -  New York : 
PB  -  Random House/Singer School Division , 
KW  -  Mathematics
N1  -  Includes bibliographical  references ( p. 203-204.)
ER  -