%0 Journal Article %A Tošić Ratko %T Three counterfeit coins %J Novi Sad Journal of Mathematics %D 1985 %P 225-233 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1985_15_1a_20/ %F NSJOM_1985_15_1a_20