Douglas S. Bridges. A General Constructive Intermediate Value Theorem. Math. Log. Q., 35(5):433-435, 1989. [doi]
@article{Bridges89, title = {A General Constructive Intermediate Value Theorem}, author = {Douglas S. Bridges}, year = {1989}, doi = {10.1002/malq.19890350509}, url = {http://dx.doi.org/10.1002/malq.19890350509}, researchr = {https://researchr.org/publication/Bridges89}, cites = {0}, citedby = {0}, journal = {Math. Log. Q.}, volume = {35}, number = {5}, pages = {433-435}, }