[1] Alderson H. P.:
On the septimic character of 2 and 3. Proc. Camb. Phil. Soc. 74 (1973), 421-433.
MR 0323763 |
Zbl 0265.10003
[3] Jacobi C. G. J.: De residuis cubicis commentatio numerosa. J. für Reine und Angew. Math. 2 (1827), 66-69.
[4] Jakubec S.: Note on the Jacobi sum. Seminaire de theorie des nombres de Bordeaux to appear (1994).
[6] Leonard P. A., Williams K. S.:
The septic character of 2, 3, 5 and 7. Pacific J. Math. 52 (1974), 143-147.
MR 0364064
[7] Muskat J. B.:
On the solvability of $x^c \equiv e (\bmod p). Pacific J. Math. 14 (1964), 257-260.
MR 0159781 |
Zbl 0117.27701
[8] Parnami J. C., Agrawal M. K., Rajwade A.R.:
Criterion for 2 to be l-th power. Acta Arith. 43 (1984), 361-364.
MR 0756287
[9] Williams K. S.:
Explicit criteria for quintic residuacity. Math. Comp. 30 (1974), 1-6.
MR 0412089