Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1999_29_2a_10, author = {D. Dimovski and A. Mandak}, title = {Weighted block designsand {Steiner} systems}, journal = {Novi Sad Journal of Mathematics}, pages = {163-169}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1999}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1999_29_2a_10/} }
D. Dimovski; A. Mandak. Weighted block designsand Steiner systems. Novi Sad Journal of Mathematics, Tome 29 (1999) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1999_29_2a_10/