%0 Journal Article %A V. Plekhanova %T Co-operative learning in cognitive systems %J Matematičeskoe modelirovanie %D 2003 %P 109-117 %V 15 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_2003_15_12_a7/ %G en %F MM_2003_15_12_a7