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@article{10_4064_cm_8_1_81_82, author = {R. Boas}, title = {Differentiability of jump functions}, journal = {Colloquium Mathematicum}, pages = {81--82}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {1961}, doi = {10.4064/cm-8-1-81-82}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-8-1-81-82/} }
R. Boas. Differentiability of jump functions. Colloquium Mathematicum, Tome 8 (1961) no. 1, pp. 81-82. doi : 10.4064/cm-8-1-81-82. http://geodesic.mathdoc.fr/articles/10.4064/cm-8-1-81-82/
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