%0 Journal Article %A A. V. Ivanov %T Mixers, functors, and soft mappings %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1992 %P 128-131 %V 193 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1992_193_a23/ %G ru %F TM_1992_193_a23