Christopher Hardin, Daniel J. Velleman. The Mean Value Theorem in Second Order Arithmetic. Journal of Symbolic Logic, 66(3):1353-1358, 2001.
@article{HardinV01, title = {The Mean Value Theorem in Second Order Arithmetic}, author = {Christopher Hardin and Daniel J. Velleman}, year = {2001}, researchr = {https://researchr.org/publication/HardinV01}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {66}, number = {3}, pages = {1353-1358}, }