%0 Journal Article
%A Yu. Sh. Abramov
%T Extremal problems generated by spectral problems
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1981
%P 135-136
%V 36
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1981_36_5_a3/
%G en
%F RM_1981_36_5_a3