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Author: Stachura, Adam

• Kuczumow, Tadeusz; Stachura, Adam: Extensions of nonexpansive mappings in the Hilbert ball with the hyperbolic metric. I. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 3, pp. 399-402
• Kuczumow, Tadeusz; Stachura, Adam: Extensions of nonexpansive mappings in the Hilbert ball with the hyperbolic metric. II. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 3, pp. 403-410