Kruse, Robert L..
Nilpotent Rings / - 1st ed / - New York 10011 : Gordon and Breach, Science Publishers, Inc. - p.127 :
Ring Theory
B25 / K9K
Nilpotent Rings / - 1st ed / - New York 10011 : Gordon and Breach, Science Publishers, Inc. - p.127 :
Ring Theory
B25 / K9K