TY  - GEN
AU  - Heikkila,Seppo
AU  - Lakshmikantham,V.
TI  - Monotone iterative techniques for discontinuous nonlinear differential equations
T2  - Chapman & hall/crc pure and applied mathematics
SN  - 0824792246
U1  - 515.355 
PY  - 1994///
CY  - [S.l.]
PB  - CRC Press
ER  -