%0 Journal Article %A F. Yu. Popelenskii %T On the normal form of an element of a free Stasheff algebra %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2000 %P 48-50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2000_1_a9/ %G ru %F VMUMM_2000_1_a9