%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 2002
%P 637-640
%V 57
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2002_57_3_a23/
%G en
%F RM_2002_57_3_a23