TY  - BOOK
AU  - Yaglom, A. M.
AU  - Mccawley, James
TI  - Challenging Mathematical Problems with Elementary Solutions 1
U1  - 510.76 
PY  - 1964///
CY  - San Francisco : 
PB  - Holden Day, 
KW  - Mathematics
N1  - NN; v. 1.
ER  -