TY  - BOOK
AU  - De Souza Paul Ney
AU  -  Silva Jorge-Nuno
TI  - Berkelye problems in mathematics
T2  - Peoblems books in mathematics
U1  - B, P1   TB 
PY  - 2001///
CY  - New York    
PB  -  Springer-Verlag        
KW  - Mathematics
ER  -