%0 Journal Article
%A I. V. Volovich
%T Steklov Institute seminar on mathematics and its applications
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2003
%P 821-823
%V 58
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2003_58_4_a21/
%G en
%F RM_2003_58_4_a21