%0 Journal Article %A Tkačenko, Michael G. %T Some results on inverse spectra. II. %J Commentationes Mathematicae Universitatis Carolinae %D 1981 %P 819-841 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1981__22_4_a16/ %G en %F CMUC_1981__22_4_a16