%0 Journal Article
%A R. A. Gorak
%T Some numerical relations for three-dimensional Cremona transformations
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1993
%P 81-85
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1993_4_a19/
%G ru
%F VMUMM_1993_4_a19