%0 Journal Article %A T. V. Apraksina %T Diagonal polygons over semigroups of isotopic transformations %J Čebyševskij sbornik %D 2011 %P 10-16 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2011_12_1_a1/ %G ru %F CHEB_2011_12_1_a1