%0 Journal Article %A A. N. Pechen %A N. B. Il'in %T On extrema of the objective functional for short-time generation of single-qubit quantum gates %J Izvestiya. Mathematics %D 2016 %P 1200-1212 %V 80 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2016_80_6_a9/ %G en %F IM2_2016_80_6_a9