TY  - BOOK
AU  - Boyvalenkov, Peter
AU  - Kolev, Emil
TI  - Bulgarian mathematical competitions 2003 - 2006
SN  - 9789380663937
U1  - 510.76 
PY  - 2014///
CY  - India
PB  - GIL Publishing House
KW  - Mathematics
KW  - Algebra
KW  - Geometry
ER  -