Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1985_15_1a_20, author = {To\v{s}i\'c Ratko}, title = {Three counterfeit coins}, journal = {Novi Sad Journal of Mathematics}, pages = {225-233}, publisher = {mathdoc}, volume = {15}, number = {1}, year = {1985}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1985_15_1a_20/} }
Tošić Ratko. Three counterfeit coins. Novi Sad Journal of Mathematics, Tome 15 (1985) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1985_15_1a_20/