TY  - BOOK
AU  - Vilenkin, N. Ya.
AU  -  Samokhvalov, Mark 
TI  - Method of successive approximations
T2  - Title mathematics library
PY  - 1979///
CY  - Moscow
PB  - Mir publishers         
KW  -  Differential equations
KW  - Hyperbolic
KW  - Approximation theory
ER  -