@article{DAN_1986_290_4_a1,
     author = {Yu. V. Kuznetsov},
     title = {Classes of {Boolean} functions that are invariant with respect to},
     journal = {Doklady Akademii Nauk},
     pages = {780--785},
     publisher = {mathdoc},
     volume = {290},
     number = {4},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_290_4_a1/}
}