TY  - BOOK
AU  - Lakshmikantham,V.
AU  - Leela,S.
TI  - Nonlinear differential equations in abstract spaces
PY  - 1981///
CY  - Oxford
PB  - Pergamon Press
KW  - Differential equations, Nonlinear
KW  - Banach spaces
N1  - Includes index; Bibliography:p.244-255
ER  -