TY - JOUR AU - E. I. Khukhro TI - On Hughes' problem for finite $p$-groups JO - Algebra i logika PY - 1987 SP - 642 EP - 646 VL - 26 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1987_26_5_a5/ LA - ru ID - AL_1987_26_5_a5 ER -