%0 Journal Article %A V. I. Shmyrev %T On the determination of fixed points of piecewise constant monotone mappings in $R^n$ %J Doklady Akademii Nauk %D 1981 %P 299-301 %V 259 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_2_a9/ %G ru %F DAN_1981_259_2_a9