@article{DAN_1961_139_4_a10,
     author = {E. A. Pavlova},
     title = {Densenesses of hyperimmune sets},
     journal = {Doklady Akademii Nauk},
     pages = {814--817},
     year = {1961},
     volume = {139},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_4_a10/}
}