Chebyshev optimal starting approximation by families with the weak betweenness property

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Applicationes Mathematicae / All issues

R. Smarzewski Applicationes Mathematicae 16 (1979), 485-495 DOI: 10.4064/am-16-3-485-495