%0 Journal Article
%A A. L. Yampol'skii
%T On the vertical strong sphericity of Sasaki metric of tangent sphere bundles
%J Žurnal matematičeskoj fiziki, analiza, geometrii
%D 1996
%P 446-455
%V 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JMAG_1996_3_a14/
%G ru
%F JMAG_1996_3_a14