@article{MZM_1974_16_1_a19,
     author = {B. T. Rumov},
     title = {Some imbedding theorems for block designs balanced with respect to pairs},
     journal = {Matemati\v{c}eskie zametki},
     pages = {173--184},
     year = {1974},
     volume = {16},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1974_16_1_a19/}
}