%0 Journal Article
%A E. P. Golubeva
%T On spectrum L\'evy constants for quadratic irrationalities and class numbers of real quadratic fields
%J Zapiski Nauchnykh Seminarov POMI
%D 2001
%P 20-40
%V 276
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a1/
%G ru
%F ZNSL_2001_276_a1