%0 Journal Article %A M. Gera %T Some conditions for oscillation of a third-order linear differential equation %J Doklady Akademii Nauk %D 1987 %P 525-528 %V 296 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_3_a1/ %G ru %F DAN_1987_296_3_a1