TY  - BOOK
AU  - Roytvarf,Alexander A.
TI  - Thinking in problems: how mathematicians find creative solutions 
SN  - 9780817684051
AV  - QA9 .R777 2013
PY  - 2013///
CY  - New York
PB  - Springer-Birkhauser
KW  - Mathematics
KW  - Philosophy
KW  - Mathematical analysis
ER  -