%0 Journal Article %A Abdul Ghapor Hussin %A Zazli Chik %T On Estimating Error Concentration Parameter for Circular Functional Model %J Bulletin of the Malaysian Mathematical Society %D 2003 %V 26 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_2003_26_2_a4/ %F BMMS_2003_26_2_a4