TY  - BOOK
AU  - Herman,Edwin
AU  - Strang,Gilbert
TI  - Calculus, volume 3
SN  - 9781947172166
U1  - 515 
PY  - 2018///]
CY  - Houston, Texas
PB  - OpenStax
KW  - Calculus
KW  - Electronic Books
N1  - Includes index; Chapter 1. Parametric equations and polar coordinates; Chapter 2. Vectors in space; Chapter 3. Vector-valued functions; Chapter 4. Differentiation of functions of several variables; Chapter 5. Multiple integration; Chapter 6. Vector calculus; Chapter 7. Second-order differential equations
UR  - https://drive.google.com/file/d/1sCJXreIiWpjmbmEe_wzSmq8Vjra5BmMY/view?usp=drive_link
ER  -