TY  - GEN
AU  - Grove,E.A.
AU  - Ladas,G.
TI  - Periodicities in nonlinear difference equations
T2  - Discrete mathematics and applications
SN  - 0849331560
U1  - 515.625 
PY  - 2004///
CY  - [S.l.]
PB  - Chapman and Hall/CRC
ER  -