%0 Journal Article %A È. G. Neifel'd %T Geometries defined by a polarity in a projective space over an algebra %J Trudy Geometricheskogo Seminara %D 1983 %P 64-66 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1983_15_a9/ %G ru %F KUTGS_1983_15_a9