%0 Journal Article %A Zerrik, E. H. %A Bourray, H. %A Boutoulout, A. %T Regional boundary obsevability: A numerical approach %J International Journal of Applied Mathematics and Computer Science %D 2002 %P 143-151 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2002_12_2_a0/ %G en %F IJAMCS_2002_12_2_a0