%0 Journal Article
%A E. P. Golubeva
%T On the length of the period of a~quadratic irrationality
%J Sbornik. Mathematics
%D 1985
%P 119-128
%V 51
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1985_51_1_a7/
%G en
%F SM_1985_51_1_a7