%0 Journal Article %A V. A. Yurko %T Reconstruction of fourth-order differential operators %J Differencialʹnye uravneniâ %D 1983 %P 2016-2017 %V 19 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a33/ %G ru %F DE_1983_19_11_a33