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@article{10_4064_cm_40_1_53_61, author = {B. Bongiorno and P. Vetro}, title = {Gradients of {Borel} functions}, journal = {Colloquium Mathematicum}, pages = {53--61}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1978}, doi = {10.4064/cm-40-1-53-61}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-40-1-53-61/} }
B. Bongiorno; P. Vetro. Gradients of Borel functions. Colloquium Mathematicum, Tome 40 (1978) no. 1, pp. 53-61. doi : 10.4064/cm-40-1-53-61. http://geodesic.mathdoc.fr/articles/10.4064/cm-40-1-53-61/
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