TY  - BOOK
AU  - Marchuk G I
AU  -  Shaidurov V V
TI  - Difference methods and their extra polations
T2  - Applications of mathematic; 19
U1  - B33, M3-;1 
PY  - 1983///
CY  - New York    
PB  -  Springer Verlag       
KW  -  Approximation theory
KW  - Differential equations
ER  -