Gradients of Borel functions

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

B. Bongiorno, P. Vetro Colloquium Mathematicum 40 (1978), 53-61 DOI: 10.4064/cm-40-1-53-61