TY - JOUR AU - G. V. Dorofeev TI - An example of a solvable but not nilpotent $(-1,1)$-ring JO - Algebra i logika PY - 1973 SP - 162 EP - 166 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1973_12_2_a2/ LA - ru ID - AL_1973_12_2_a2 ER -