%0 Journal Article %A A. S. Popkov %T Optimal program control in the class of quadratic splines for linear systems %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2020 %P 462-470 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2020_16_4_a10/ %G en %F VSPUI_2020_16_4_a10