%0 Journal Article
%A I. G. Nikolaev
%T The closure of the set of classical Riemannian spaces
%J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
%D 1989
%P 43-66
%V 21
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTG_1989_21_a2/
%G ru
%F INTG_1989_21_a2