%0 Journal Article %A I. S. Rezvyakova %T On simple zeros of derivatives of the Riemann $\xi$-function %J Izvestiya. Mathematics %D 2006 %P 265-276 %V 70 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2006_70_2_a2/ %G en %F IM2_2006_70_2_a2