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PORTUGALIAEMATHEMATICA Vol. 54, No. 1, pp. 73-83 (1997)  | 
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On the Main Invariant of an Element Over a Local FieldNicolae Popescu and Alexandru ZaharescuInstitute of Mathematics of the Romanian Academy,P.O. Box 1-764, RO-70700 Bucharest - ROMANIA Institute of Mathematics of the Romanian Academy, P.O. Box 1-764, RO-70700 Bucharest - ROMANIA Full text of the article: 
 Electronic version published on: 29 Mar 2001. This page was last modified: 27 Nov 2007. 
© 1997 Sociedade Portuguesa de Matemática
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