@article{DAN_1988_298_4_a7,
     author = {S. A. Lozhkin and M. A. Koshkin},
     title = {Complexity of the realization of some systems of {Boolean} functions},
     journal = {Doklady Akademii Nauk},
     pages = {807--811},
     publisher = {mathdoc},
     volume = {298},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_4_a7/}
}