%0 Journal Article %A Vasyl Pyekhtyeryev %T $\mathcal{H-}$ and $\mathcal{R-}$cross-sections of the full finite semigroup $T_n$ %J Algebra and discrete mathematics %D 2003 %P 82-88 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2003_3_a4/ %G en %F ADM_2003_3_a4