@article{IVM_2014_5_a3,
     author = {I. S. Sergeev},
     title = {Upper bounds on the formula size of symmetric {Boolean} functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {38--52},
     publisher = {mathdoc},
     number = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_5_a3/}
}