TY  - JOUR
AU  - I. G. Nikolaev
TI  - The closure of the set of classical Riemannian spaces
JO  - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
PY  - 1989
SP  - 43
EP  - 66
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTG_1989_21_a2/
LA  - ru
ID  - INTG_1989_21_a2
ER  -