%0 Journal Article
%A D. Yu. Grigor'ev
%T The complexity of computing the genus of a system of exterior
%J Doklady Akademii Nauk
%D 1989
%P 26-30
%V 306
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1989_306_1_a4/
%G ru
%F DAN_1989_306_1_a4