%0 Journal Article %A Pavel Gumenyuk %T On existence of Becker extension %J Annales Fennici Mathematici %D 2022 %P 979-1005 %V 47 %N 2 %U http://geodesic.mathdoc.fr/articles/10.54330/afm.120591/ %R 10.54330/afm.120591 %G en %F AFM_2022_47_2_a17