TY  - BOOK
AU  - Lakshmikantham, V.
AU  - Wen, Lizhi.
AU  - Zhang, Binggen.
TI  - Theory of differential equations with unbounded delay
T2  - Mathematics and applications
SN  - 079233003X
U1  - 515.35 
PY  - 1994///
CY  - Dordrecht
PB  - Kluwer Academic
ER  -