TY - JOUR AU - Ayoub B.M. Basheer TI - On a group extension involving the sporadic Janko group $J_{2}$ JO - Ural mathematical journal PY - 2024 SP - 28 EP - 43 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UMJ_2024_10_1_a2/ LA - en ID - UMJ_2024_10_1_a2 ER -