%0 Journal Article %A N. B. Il'in %A A. N. Pechen %T Conditions for the absence of local extrema in problems of quantum coherent control %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2018 %P 119-123 %V 301 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2018_301_a8/ %G ru %F TM_2018_301_a8