%0 Journal Article %A A. P. Makhmudov %A Z. S. Aliyev %T Some global results for linearizable and nonlinearizable fourth-order Sturm--Liouville problems %J Doklady Akademii Nauk %D 1989 %P 34-38 %V 309 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_1_a6/ %G ru %F DAN_1989_309_1_a6