TY  - BOOK
AU  - Heikkila, Seppo.
TI  - Monotone iterative techniques for discontinuous nonlinear differential equations
T2  - Monographs and textbooks in pure and applied mathematics
SN  - 0824792246 (alk. paper)
U1  - 515.355 
PY  - 1994///
CY  - New York
PB  - Marcel Dekker
KW  - Differential equations, Nonlinear
ER  -