%0 Journal Article %A I. O. Vashkov %T Time-optimality problems for distant targets %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 63-66 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_6_a15/ %G ru %F VMUMM_1990_6_a15