%0 Journal Article %A V. O. Isaev %A P. V. Boykachev %T Analytical mathematical modeling of input characteristics of radio engineering systems %J Problemy fiziki, matematiki i tehniki %D 2021 %P 88-95 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2021_3_a12/ %G ru %F PFMT_2021_3_a12