On the number of roots in an algebraic equation for a circle.

[1] BEI, REZIPROKE GLEICHUNG

[2] CHIPART, 1918, C R, V157, P837

[3] EINEN, 1891, NOUV ANN MATH, V10, P111

[4] HERR GS, 1922, MATH Z, V13, P28

[5] JEDE, GLEICHUNG KLASSE

[6] LANDAU E, 1916, DARSTELLUNG BEGRUNDU, P20

[7] ROUCHE M, 1862, J ECOLE POLYTECHNIQU, P217

[8] WERKE, FUNKTIONENTHEORIE, P210

[9] 1895, P ROYAL SOC EDINBURG, V21, P360

[10] 1894, P LOND MATH SOC, V25, P178

[1] BEI, REZIPROKE GLEICHUNG

[2] CHIPART, 1918, C R, V157, P837

[3] EINEN, 1891, NOUV ANN MATH, V10, P111

[4] HERR GS, 1922, MATH Z, V13, P28

[5] JEDE, GLEICHUNG KLASSE

[6] LANDAU E, 1916, DARSTELLUNG BEGRUNDU, P20

[7] ROUCHE M, 1862, J ECOLE POLYTECHNIQU, P217

[8] WERKE, FUNKTIONENTHEORIE, P210

[9] 1895, P ROYAL SOC EDINBURG, V21, P360

[10] 1894, P LOND MATH SOC, V25, P178