%0 Journal Article %A G. V. Shevchenko %T Uniqueness conditions for an optimal control in the case of a solution of time optimal problem for linear multi-step processes %J Diskretnyj analiz i issledovanie operacij %D 1974 %P 81-84 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_1974_12_a11/ %G ru %F DA_1974_12_a11