TY  - BOOK
AU  - Wolfram,Stehpen
TI  - Mathematica: A system for doing mathematics by computer 
SN  - 0-201-51507-5
U1  - 510 
PY  - 1991///
CY  - New York
PB  - Addison-Wesley
KW  - Algebra
KW  - Matemáticas
ER  -