%0 Journal Article %A Khao Shou %T The Sturm-Liouville difference problem for a fourth order equation with discontinuous coefficients %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1963 %P 1014-1031 %V 3 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_6_a4/ %G ru %F ZVMMF_1963_3_6_a4