%0 Journal Article %A R. Hudson %A Kenneth Williams %T An application of a formula of Western to the evaluation of certain Jacobsthal sums %J Acta Arithmetica %D 1982 %P 261-276 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-41-3-261-276/ %R 10.4064/aa-41-3-261-276 %G en %F 10_4064_aa_41_3_261_276