%0 Journal Article %A V. S. Rykhlov %T Completeness of eigenfunctions of one class of pencils of differential operators with constant coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2009 %P 42-53 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2009_6_a5/ %G ru %F IVM_2009_6_a5