TY  - BOOK
AU  - ETGEN, Salas Hille 
TI  - Calculus: : one and several variables
SN  - 9780471698043
U1  - 515 ETG-C 
PY  - 2007///
CY  - Hoboken
PB  - John wiley & Sons
KW  - Calculus
ER  -