TY  - BOOK
AU  - Brousseau,Guy
TI  - Theory of didactical situations in mathematics: Didactique des mathematiques1970-1990 
PY  - 1997///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  - Mathematics
KW  - Study and teaching
N1  - Includes bibliographical references and indices
ER  -