%0 Journal Article
%A D. E. Efimov
%T An estimate for the exponent of some sets of nonnegative matrices
%J Diskretnaya Matematika
%D 1999
%P 79-88
%V 11
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1999_11_4_a6/
%G ru
%F DM_1999_11_4_a6