%0 Journal Article %A Calado, J. M. F. %A Costa, I. S. %T An Expert System Coupled With a Hierarchical Structure of Fuzzy Neural Networks for Fault Diagnosis %J International Journal of Applied Mathematics and Computer Science %D 1999 %P 667-687 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_1999_9_3_a8/ %G en %F IJAMCS_1999_9_3_a8