@article{DAN_1972_202_6_a12,
     author = {O. B. Lupanov},
     title = {Circuits using threshold elements},
     journal = {Doklady Akademii Nauk},
     pages = {1288--1291},
     publisher = {mathdoc},
     volume = {202},
     number = {6},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_6_a12/}
}