@article{PDM_2011_1_a2,
     author = {S. V. Smyshlyaev},
     title = {On the number of perfectly balanced {Boolean} functions with barrier of length~$3$},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {26--33},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2011_1_a2/}
}