TY  - BOOK
AU  - Gelbaum,bernard R.
AU  - Olmsted,John
TI  - Theorems and counterexamples in mathematics / 
T2  - Problem books in mathematics
SN  - 0387973427
AV  - QA36 G45 1990
PY  - 1990///
CY  - New York : 
PB  - Springer-verlag, 
KW  - Lemb
KW  - Matematicas
N1  - Incluye glosario e ìndice
ER  -