TY  - BOOK
AU  - Strang,Gilbert
TI  - Introduction to applied mathematics
SN  - 9780961408800
U1  - 510 ST81I 
PY  - 1986///
CY  - Wellesley
PB  - Wellesley- Cambridge
KW  - Equilibrium equation
KW  - Symmetric linear systems
ER  -