TY  - BOOK
AU  - Kondrat'eva, L. A.
AU  - Solomonik, V. S.
TI  - Questions and problems in high-school mathematics
PY  - 1987///
CY  - M.
PB  - Mir
KW  - Москва
KW  - В11я723-4
KW  - rubbk
ER  -