TY - JOUR AU - A. S. Kuzmina TI - On Nilpotent Rings of Order $p^4$ with Some Additional Properties JO - Sibirskij žurnal čistoj i prikladnoj matematiki PY - 2013 SP - 53 EP - 69 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VNGU_2013_13_3_a4/ LA - ru ID - VNGU_2013_13_3_a4 ER -