Entropy numbers of Sobolev embeddings of radial Besov spaces. - Thomas Kühn 002; Hans-Gerd Leopold; Winfried Sickel; Leszek Skrzypczak (J. Approx. Theory, 2003)

On approximation numbers of Sobolev embeddings of weighted function spaces. - Leszek Skrzypczak (J. Approx. Theory, 2005)

Corrigendum to the paper: "On approximation numbers of Sobolev embeddings of weighted function spaces" [J. Approx. Theory 136 (2005) 91-107]. - Leszek Skrzypczak; Jan Vybíral (J. Approx. Theory, 2009)

Entropy numbers of embeddings of some 2-microlocal Besov spaces. - Hans-Gerd Leopold; Leszek Skrzypczak (J. Approx. Theory, 2011)

Limiting embeddings in smoothness Morrey spaces, continuity envelopes and applications. - Wen Yuan; Dorothee D. Haroske; Susana D. Moura; Leszek Skrzypczak; Dachun Yang (J. Approx. Theory, 2015)

Some properties of block-radial functions and Schrödinger type operators with block-radial potentials. - Alicja Dota; Leszek Skrzypczak (J. Complex., 2019)

Entropy numbers of compact embeddings of smoothness Morrey spaces on bounded domains. - Dorothee D. Haroske; Leszek Skrzypczak (J. Approx. Theory, 2020)

Nuclear embeddings in general vector-valued sequence spaces with an application to Sobolev embeddings of function spaces on quasi-bounded domains. - Dorothee D. Haroske; Hans-Gerd Leopold; Leszek Skrzypczak (J. Complex., 2022)

Embeddings of block-radial functions - approximation properties and nuclearity. - Alicja Dota; Leszek Skrzypczak (J. Approx. Theory, 2025)