TY  - BOOK
AU  - Richard Bellman
TI  - Modern elementary differential equations
U1  - 517.38 
PY  - 1968///
CY  - London
PB  - Addison Wesley Publishing Co
N1  - Richard Bellman: Modern elementary differential equations.  London.  Addison Wesley Publishing Co, 1968.--(517.38BEL)
ER  -