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@article{10_4064_cm_1_3_197_198, author = {Z. Butlewski}, title = {A proof that $e^m$ is irrational}, journal = {Colloquium Mathematicum}, pages = {197--198}, publisher = {mathdoc}, volume = {1}, number = {3}, year = {1947}, doi = {10.4064/cm-1-3-197-198}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-1-3-197-198/} }
Z. Butlewski. A proof that $e^m$ is irrational. Colloquium Mathematicum, Tome 1 (1947) no. 3, pp. 197-198. doi : 10.4064/cm-1-3-197-198. http://geodesic.mathdoc.fr/articles/10.4064/cm-1-3-197-198/
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