Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMJ_2004__54_1_a17, author = {Rataj, J.}, title = {On set covariance and three-point test sets}, journal = {Czechoslovak Mathematical Journal}, pages = {205--214}, publisher = {mathdoc}, volume = {54}, number = {1}, year = {2004}, mrnumber = {2040232}, zbl = {1049.52004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_1_a17/} }
Rataj, J. On set covariance and three-point test sets. Czechoslovak Mathematical Journal, Tome 54 (2004) no. 1, pp. 205-214. http://geodesic.mathdoc.fr/item/CMJ_2004__54_1_a17/