TY  - BOOK
AU  - Sansone, Giovanni
AU  - Conti, R.
TI  - NON-LINEAR DIFFERENTIAL EQUATIONS
U1  - 517.382 
PY  - 1964///
CY  - N. Y.
PB  - Macmillan
KW  - Differential Equations
N1  - A Pergamon Press Book
ER  -