%0 Journal Article
%A E. P. Golubeva
%T On the period length of the continued fraction expansion of a quadratic irrational and the class number of real quadratic fields
%J Zapiski Nauchnykh Seminarov POMI
%D 1987
%P 72-81
%V 160
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a6/
%G ru
%F ZNSL_1987_160_a6