TY  - JOUR 
T1  - Two approximations to learning from examples
JO  - Brazilian Journal of Physics
A1  - Diambra, L.
SN  - 0103-9733
UL  - 10.1590/S0103-97331998000400020
VL  - 28 
Y1  - 1998
PB  - Brasil 
ER  -