TY  - BOOK
AU  - Lakshmikantham V
AU  -  Trigiante D
TI  - Theory of differences equations: Numerical methods   
T2  - Mathematics in Science and Engineering. 181
U1  - B33, M8 
PY  - 1988///
CY  - Boston
PB  - Academic Press         
KW  - Equations
N1  - Bibliography P 231-237
ER  -