Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1990_47_3_a17, author = {B. T. Rumov}, title = {Existence of some cyclic {BIB-schemes}}, journal = {Matemati\v{c}eskie zametki}, pages = {130--133}, publisher = {mathdoc}, volume = {47}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a17/} }
B. T. Rumov. Existence of some cyclic BIB-schemes. Matematičeskie zametki, Tome 47 (1990) no. 3, pp. 130-133. http://geodesic.mathdoc.fr/item/MZM_1990_47_3_a17/