%0 Journal Article
%A M. I. Belishev
%T Inverse spectral indefinite problem for the equation $y''+\lambda p(x)y=0$ on an interval
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1987
%P 68-69
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1987_21_2_a7/
%G ru
%F FAA_1987_21_2_a7