Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1985_37_6_a13, author = {B. T. Rumov}, title = {One method of constructing cyclic {PBIB-schemes}}, journal = {Matemati\v{c}eskie zametki}, pages = {908--915}, publisher = {mathdoc}, volume = {37}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_6_a13/} }
B. T. Rumov. One method of constructing cyclic PBIB-schemes. Matematičeskie zametki, Tome 37 (1985) no. 6, pp. 908-915. http://geodesic.mathdoc.fr/item/MZM_1985_37_6_a13/