TY  - BOOK
AU  - Shklarsky, D.O
AU  - Chentzov, N N
TI  - USSR Olympiad problem book:selected problems and theorems of elementary mathematics
SN  - 9780486277097
U1  - 510 
PY  - 1993///
CY  - New York
PB  - Dover
KW  - ELEMENTARY MATHEMATICS
KW  - OLYMPIAD PROBLEM
ER  -