%0 Journal Article %A Vu Quoc Thanh %T Oscillation of a generalized differential equation of Sturm--Liouville type %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 53-55 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a10/ %G ru %F VMUMM_1990_2_a10