%0 Journal Article %A Nazarov, Serguei A. %A SokoĊ‚owski, Jan %T Shape sensitivity analysis of eigenvalues revisited %J Control and Cybernetics %D 2008 %P 999-1012 %V 37 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2008_37_4_a11/ %G en %F CC_2008_37_4_a11