TY - JOUR AU - I. V. Arzhantsev TI - Uniqueness of addition in the Lie algebra $sl_2$ JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2000 SP - 49 EP - 51 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2000_4_a10/ LA - ru ID - VMUMM_2000_4_a10 ER -