TY  - DATA
AU  - Honsberger, Ross
TI  - Ingenuity in mathematics
T2  - Anneli Lax New Mathematical Library, 
SN  - 9780883859384 (online)
PY  - 1970///]
CY  - New York
PB  - Random House/Singer School Division
KW  - Mathematics
UR  - https://www.ams.org/nml/023
ER  -