%0 Journal Article %A V. I. Varshavskii %T Functional possibilities and synthesis of threshold elements %J Doklady Akademii Nauk %D 1961 %P 1071-1074 %V 139 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_139_5_a10/ %G ru %F DAN_1961_139_5_a10