%0 Journal Article
%A E. P. Golubeva
%T On quadratic irrationalities having continued fractions with small periods
%J Zapiski Nauchnykh Seminarov POMI
%D 1997
%P 31-39
%V 237
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1997_237_a3/
%G ru
%F ZNSL_1997_237_a3