%0 Journal Article %A Carlitz, L. %T The number of solutions of a special quadratic congruence %J Portugaliae mathematica %D 1955 %P 9-14 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1955__14_1_114745/ %G en %F PORMA_1955__14_1_114745