@article{DM_2001_13_1_a1,
     author = {A. A. Sapozhenko},
     title = {On the number of independent sets in extenders},
     journal = {Diskretnaya Matematika},
     pages = {56--62},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2001_13_1_a1/}
}