Ulrich Abel. A Generalization of the Leibniz Rule. The American Mathematical Monthly, 120(10):924-928, 2013. [doi]
@article{Abel13, title = {A Generalization of the Leibniz Rule}, author = {Ulrich Abel}, year = {2013}, doi = {10.4169/amer.math.monthly.120.10.924}, url = {http://dx.doi.org/10.4169/amer.math.monthly.120.10.924}, researchr = {https://researchr.org/publication/Abel13}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {120}, number = {10}, pages = {924-928}, }