F. William Lawvere. Unity and identity of opposites in calculus and physics. Applied Categorical Structures, 4(2-3):167-174, 1996. [doi]
@article{Lawvere96,
title = {Unity and identity of opposites in calculus and physics},
author = {F. William Lawvere},
year = {1996},
doi = {10.1007/BF00122250},
url = {http://dx.doi.org/10.1007/BF00122250},
researchr = {https://researchr.org/publication/Lawvere96},
cites = {0},
citedby = {0},
journal = {Applied Categorical Structures},
volume = {4},
number = {2-3},
pages = {167-174},
}