Extensions of nonexpansive mappings in the Hilbert ball with the hyperbolic metric. II. Tadeusz Kuczumow; Adam Stachura — 1988 Commentationes Mathematicae Universitatis Carolinae
Extensions of nonexpansive mappings in the Hilbert ball with the hyperbolic metric. I. Tadeusz Kuczumow; Adam Stachura — 1988 Commentationes Mathematicae Universitatis Carolinae