%0 Journal Article %A O. I. Tavgen' %A D. Junhua %A L. Chunyan %T The representation image unipotency of the group $F_2$ by mapping primitive elements into unipotent matrices with small Jordan blocks %J Problemy fiziki, matematiki i tehniki %D 2011 %P 81-83 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2011_3_a13/ %G ru %F PFMT_2011_3_a13