TY  - JOUR 
T1  - Nonlinear resonance in bouncing universes
JO  - Brazilian Journal of Physics
A1  - Oliveira, H. P. de
A1  - Damião Soares, I.
A1  - Tonini, E. V.
SN  - 0103-9733
UL  - 10.1590/S0103-97332005000700008
VL  - 35 
Y1  - 2005
PB  - Brasil 
ER  -