%0 Journal Article %A E. A. Kolpakova %T On description of optimal open-loop controls via the method of characteristics %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2008 %P 59-60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2008_2_a20/ %G ru %F VUU_2008_2_a20