@article{MZM_2020_108_3_a5,
     author = {N. P. Red'kin},
     title = {Minimal {Contact} {Circuits} for {Symmetric} {Threshold} {Functions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {397--411},
     year = {2020},
     volume = {108},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_108_3_a5/}
}