TY  - BOOK
AU  - Hurewicz, Witold,
TI  - Lectures on Ordinary Differential Equations
U1  - 517.38 HUR 
PY  - 1958///
CY  - London
PB  - Technology Press of the Massachusetts institute of Technology and John Wiley & Sons
KW  - Differential Equations
KW  - Systems of Differential Equations,Lipschitz Conditions,Green`s Function,Vortex Points
ER  -