%0 Journal Article
%A K. V. Kozerenko
%T On the number of readings
%J Doklady Akademii Nauk
%D 1987
%P 1069-1071
%V 296
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_296_5_a9/
%G ru
%F DAN_1987_296_5_a9