%0 Journal Article %A Leung, Anthony W. %A Murio, Diego A. %T Monotone scheme for finite difference equations concerning steady-state competing-species interactions %J Portugaliae mathematica %D 1980 %P 497-510 %V 39 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1980__39_1-4_115437/ %G en %F PORMA_1980__39_1-4_115437