%0 Journal Article %A L. I. Minchenko %A V. N. Teslyuk %T On conditions for the optimality of dynamical systems with respect to parameters %J Differencialʹnye uravneniâ %D 1992 %P 1969-1976 %V 28 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_11_a14/ %G ru %F DE_1992_28_11_a14