%0 Journal Article %A A. B. Zhornitskii %A V. I. Tsurkov %T A~formalized approach то the problem of variables choice in study of relationships %J Matematičeskoe modelirovanie %D 1990 %P 76-84 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1990_2_1_a6/ %G ru %F MM_1990_2_1_a6