TY  - BOOK
A1  - / Compiled and with solutions by Charles T. Salkind ...(and others)
TI  - The contest problem book 
PB  - كتابخانه پردیس علوم (دانشگاه تهران)
SN  - 100980192
UR  /book/100980192/The-contest-problem-book/
ER  -