Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1989_46_5_a7, author = {B. T. Rumov}, title = {Some theorems on the existence of $\alpha$-resolvable designs}, journal = {Matemati\v{c}eskie zametki}, pages = {62--71}, publisher = {mathdoc}, volume = {46}, number = {5}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_5_a7/} }
B. T. Rumov. Some theorems on the existence of $\alpha$-resolvable designs. Matematičeskie zametki, Tome 46 (1989) no. 5, pp. 62-71. http://geodesic.mathdoc.fr/item/MZM_1989_46_5_a7/