@article{DAN_1961_139_2_a15,
     author = {M. N. Vaintsvaig},
     title = {On the power of networks of functional elements},
     journal = {Doklady Akademii Nauk},
     pages = {320--323},
     publisher = {mathdoc},
     volume = {139},
     number = {2},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_2_a15/}
}