TY  - BOOK
AU  - Gvishiani J M Ed.
AU  -  Nappelbaumetc E L Tr.
TI  - Systems research: methodological problems
T2  - Advances in systems research series; 2
U1  - X:89M, M5           M4 
PY  - 1984///
CY  - Oxford
PB  - Pergamon Press        
KW  - Numerical boundry value odes ascher
ER  -