%0 Journal Article %A A. Kh. Stash %T Spectra of total and vector frequencies of third-order linear differential equations %J Trudy Seminara im. I.G. Petrovskogo %D 2014 %P 252-269 %V 30 %N 30 %U http://geodesic.mathdoc.fr/item/TSP_2014_30_30_a14/ %G ru %F TSP_2014_30_30_a14