%0 Journal Article
%A O. A. Pshenitsyna
%T Factor and term ranks for matrix union over semirings
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2003
%P 175-197
%V 9
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2003_9_3_a12/
%G ru
%F FPM_2003_9_3_a12