%0 Journal Article %A E. Amar %A P. J. Thomas %T Cyclicity of nonvanishing functions in the polydisk and in the ball %J Algebra i analiz %D 2019 %P 1-23 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2019_31_5_a0/ %G en %F AA_2019_31_5_a0