%0 Journal Article %A Yu. D. Pletner %T Some properties of solutions of an equation of %J Doklady Akademii Nauk %D 1991 %P 570-572 %V 317 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_317_3_a12/ %G ru %F DAN_1991_317_3_a12