T. F. Higginbotham. The integer square root of N via a binary search. ACM SIGCSE Bulletin, 25(4):41-45, 1993. [doi]
@article{Higginbotham93,
title = {The integer square root of N via a binary search},
author = {T. F. Higginbotham},
year = {1993},
doi = {10.1145/164205.164229},
url = {https://doi.org/10.1145/164205.164229},
researchr = {https://researchr.org/publication/Higginbotham93},
cites = {0},
citedby = {0},
journal = {ACM SIGCSE Bulletin},
volume = {25},
number = {4},
pages = {41-45},
}