Geodesic
6 Ways to Derive a Formula of Complex Radical
Matematičeskoe obrazovanie, no. 2 (2006), pp. 2-6 
V. B. Drozdov. 6 Ways to Derive a Formula of Complex Radical. Matematičeskoe obrazovanie, no. 2 (2006), pp. 2-6. http://geodesic.mathdoc.fr/item/MO_2006_2_a0/
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     title = {6 {Ways} to {Derive} a {Formula} of {Complex} {Radical}},
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Voir la notice de l'article provenant de la source Math-Net.Ru

A classical formula of complex radical introduced by Newton is derived in different ways, algebraic, geometric, trigonometric.