@article{MZM_1982_32_6_a11,
     author = {B. T. Rumov},
     title = {Existence of certain block designs},
     journal = {Matemati\v{c}eskie zametki},
     pages = {869--887},
     publisher = {mathdoc},
     volume = {32},
     number = {6},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1982_32_6_a11/}
}