%0 Journal Article %A I. M. Karabash %A A. S. Kostenko %T On the Similarity of a $J$-Nonnegative Sturm--Liouville Operator to a Self-Adjoint Operator %J Funkcionalʹnyj analiz i ego priloženiâ %D 2009 %P 81-84 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2009_43_1_a5/ %G ru %F FAA_2009_43_1_a5