%0 Journal Article %A M. I. Kharitonov %T Two-sided estimates for essential height in Shirshov's Height Theorem %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2012 %P 20-24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2012_2_a4/ %G ru %F VMUMM_2012_2_a4