@article{DAN_1970_190_2_a7,
     author = {A. L. Rukhin},
     title = {Strongly symmetric families},
     journal = {Doklady Akademii Nauk},
     pages = {280--282},
     publisher = {mathdoc},
     volume = {190},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_2_a7/}
}