Geodesic
On the covering of radial segments under $p$-valent mappings of a disk and an annulus
Dalʹnevostočnyj matematičeskij žurnal, Tome 7 (2007) no. 1, pp. 40-47 
V. N. Dubinin; V. Yu. Kim. On the covering of radial segments under $p$-valent mappings of a disk and an annulus. Dalʹnevostočnyj matematičeskij žurnal, Tome 7 (2007) no. 1, pp. 40-47. http://geodesic.mathdoc.fr/item/DVMG_2007_7_1_a4/
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Voir la notice de l'article provenant de la source Math-Net.Ru

A covering theorem for radial segments is proved for $p$-valent functions in a circular annulus. As a corollary, a similar theorem for $p$-valent functions in a disc is obtained. These results contain many known covering theorems for conformal mappings.

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