TY  - BOOK
AU  - Hungerford
TI  - Contemporary Precalculus : A  Graphing Approach
SN  - 0-03-018544-0
PY  - 1997///
CY  - Philadelphia
PB  - Sanders College Publ.
KW  - Funcţii matematice, grafice
KW  - 519.6(075.8)=111
ER  -