%0 Journal Article %A A. M. Raigorodskii %T Systems of common representatives %J Fundamentalʹnaâ i prikladnaâ matematika %D 1999 %P 851-860 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1999_5_3_a14/ %G ru %F FPM_1999_5_3_a14