Garry J. Tee. π and pi. Comput. J., 9(4):393, 1967. [doi]
@article{Tee67,
title = {π and pi},
author = {Garry J. Tee},
year = {1967},
doi = {10.1093/comjnl/9.4.393},
url = {https://doi.org/10.1093/comjnl/9.4.393},
researchr = {https://researchr.org/publication/Tee67},
cites = {0},
citedby = {0},
journal = {Comput. J.},
volume = {9},
number = {4},
pages = {393},
}