%0 Journal Article
%A P. Butkovic
%A H. Schneider
%A S. Sergeev
%T Core of a matrix in max algebra and in nonnegative algebra: a survey
%J Vestnik rossijskih universitetov. Matematika
%D 2019
%P 252-271
%V 24
%N 127
%U http://geodesic.mathdoc.fr/item/VTAMU_2019_24_127_a1/
%G ru
%F VTAMU_2019_24_127_a1