TY - JOUR AU - V. V. Bludov AU - V. F. Kleimenov AU - E. V. Khlamov TI - A counterexample to a problem of A. Yu. Ol'shanski\u{\i} JO - Algebra i logika PY - 1990 SP - 139 EP - 140 VL - 29 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1990_29_2_a1/ LA - ru ID - AL_1990_29_2_a1 ER -