TY  - BOOK
AU  - Soifer,Alexander
TI  - Mathematics as problem solving
SN  - 9780387746463
U1  - 510.76 
PY  - 2009///
CY  - New York
PB  - Springer
KW  - Μαθηματικά
KW  - Προβλήματα, ασκήσεις κλπ
N1  - Includes bibliographical references
ER  -