%0 Journal Article %A M. V. Platonova %A S. V. Tsykin %T Probabilistic approximation of the evolution operator $e^{itH}$, where $H=\dfrac{(-1)^md^{2m}}{(2m)!dx^{2m}}$ %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 78-81 %V 491 %I mathdoc %U http://geodesic.mathdoc.fr/item/DANMA_2020_491_a15/ %G ru %F DANMA_2020_491_a15