Geodesic
Bounded cyclic functions in the ball
Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part 31, Tome 303 (2003), pp. 102-110 
E. Doubtsov. Bounded cyclic functions in the ball. Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part 31, Tome 303 (2003), pp. 102-110. http://geodesic.mathdoc.fr/item/ZNSL_2003_303_a4/
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

With the help of the $H^2$-corona theorem we obtain a condition sufficient for cyclicity in the Bergman space $A^1$ in the ball.

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