Postnikova, L. P.; Schinzel, Andrzej Primitive divisors of the expression \(a^ n -b^ n\) in algebraic number fields. (English. Russian original) Zbl 0195.33704 Math. USSR, Sb. 4(1968), 153-159 (1969); translation from Mat. Sb., n. Ser. 75(117), 171-177 (1968). PDFBibTeX XMLCite \textit{L. P. Postnikova} and \textit{A. Schinzel}, Math. USSR, Sb. 4, 153--159 (1969; Zbl 0195.33704); translation from Mat. Sb., n. Ser. 75(117), 171--177 (1968) Full Text: DOI
Postnikova, L. P.; Schinzel, Andrzej Über primitive Teiler des Ausdrucks \(a^ n -b^ n\) in algebraischen Zahlkörpern. (Russian) Zbl 0157.10103 Mat. Sb., N. Ser. 75(117), 171-177 (1968). PDFBibTeX XMLCite \textit{L. P. Postnikova} and \textit{A. Schinzel}, Mat. Sb., Nov. Ser. 75(117), 171--177 (1968; Zbl 0157.10103)