%0 Journal Article %A S. A. Shkarin %T An infinite-dimensional separable pre-Hilbert space non-homeomorphic to any of its closed hyperplanes %J Izvestiya. Mathematics %D 1999 %P 1263-1273 %V 63 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1999_63_6_a6/ %G en %F IM2_1999_63_6_a6