%0 Journal Article %A Kh. D. Ikramov %T Decomplexification of eigenvalue and coneigenvalue problems %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 36-41 %V 359 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_359_a3/ %G ru %F ZNSL_2008_359_a3