TY  - JOUR 
T1  - Linear sigma model at finite baryonic density and symmetry breakings
JO  - Brazilian Journal of Physics
A1  - Braghin, F. L.
SN  - 0103-9733
UL  - 10.1590/S0103-97332007000100012
VL  - 37 
Y1  - 2007
PB  - Brasil 
ER  -