TY  - BOOK
AU  - Gardiner,A.
TI  - Discovering mathematics: the art of investigation 
SN  - 9780486452999 (pbk.) :
AV  - QA63 .G37 2007
PY  - 2007///
CY  - Mineola, N.Y.
PB  - Dover Publications
KW  - Problem solving
KW  - Mathematics
KW  - Problems, exercises, etc
N1  - Originally published: Oxford : Clarendon Press ; New York : Oxford University Press, c1987; Includes bibliographical references and index
ER  -