%0 Journal Article
%A V. M. Montlevich
%T On the submodularity of the profit function in a problem of transport planning
%J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ
%D 2014
%P 48-54
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VSGU_2014_10_a4/
%G ru
%F VSGU_2014_10_a4