%0 Journal Article
%A V. A. Sharafutdinov
%T Integral geometry of a quadratic differential form for
%J Doklady Akademii Nauk
%D 1988
%P 551-554
%V 300
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_300_3_a7/
%G ru
%F DAN_1988_300_3_a7