TY - JOUR AU - O. I. Tavgen' AU - D. Junhua AU - L. Chunyan TI - The representation image unipotency of the group $F_2$ by mapping primitive elements into unipotent matrices with small Jordan blocks JO - Problemy fiziki, matematiki i tehniki PY - 2011 SP - 81 EP - 83 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PFMT_2011_3_a13/ LA - ru ID - PFMT_2011_3_a13 ER -