TY  - BOOK
AU  - Boju, Valentin and Funar, Louis
AU  - Funar, Louis ; jt. auth.
TI  - The math problems: notebook
SN  - 9788184895278
U1  - 510.9 
PY  - 2007///
CY  - Boston
PB  - Birkhauser
ER  -