%0 Journal Article %A V. F. Korop %T The converse problem of dispersion for equations with a singularity %J Doklady Akademii Nauk %D 1960 %P 754-757 %V 132 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_132_4_a5/ %G ru %F DAN_1960_132_4_a5