%0 Journal Article %A B. A. Sevast'yanov %T Structural characteristics of some nonuniform mappings of finite sets %J Trudy po diskretnoj matematike %D 2002 %P 184-193 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/TDM_2002_6_a9/ %G ru %F TDM_2002_6_a9