%0 Journal Article %A N. B. Kerimov %T Some properties of the eigenfunctions and associated functions of an ordinary differential operator of fourth order %J Matematičeskie zametki %D 1986 %P 608-620 %V 40 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1986_40_5_a4/ %G ru %F MZM_1986_40_5_a4