%0 Journal Article %A N. V. Egorov %A E. M. Vinogradova %T Mathematical modeling of triode system on the basis of field emitter with ellipsoid shape %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2021 %P 131-136 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2021_17_2_a2/ %G en %F VSPUI_2021_17_2_a2