Richard P. Stanley. Differentiably Finite Power Series. Eur. J. Comb., 1(2):175-188, 1980. [doi]
@article{Stanley80-0, title = {Differentiably Finite Power Series}, author = {Richard P. Stanley}, year = {1980}, doi = {10.1016/S0195-6698(80)80051-5}, url = {http://dx.doi.org/10.1016/S0195-6698(80)80051-5}, researchr = {https://researchr.org/publication/Stanley80-0}, cites = {0}, citedby = {0}, journal = {Eur. J. Comb.}, volume = {1}, number = {2}, pages = {175-188}, }