Encyclopaedia of Mathematical Sciences <br/><br/>
Algebra  Pt.2 - Noncommutative rings identities 
Ed. by A. I. Kostrikin and I. R. Shafarevich 
 - Berlin  Springer-Verlag  1991 
 - 234p. 
 - Encyclopaedia of Mathematical Sciences   V. 18 .
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<br/><br/><label>Dewey Class. No.: </label>510.3  / En56.18