Stephen A. Cook, Neil Thapen. The strength of replacement in weak arithmetic. ACM Trans. Comput. Log., 7(4):749-764, 2006. [doi]
@article{CookT06,
title = {The strength of replacement in weak arithmetic},
author = {Stephen A. Cook and Neil Thapen},
year = {2006},
doi = {10.1145/1183278.1183283},
url = {http://doi.acm.org/10.1145/1183278.1183283},
researchr = {https://researchr.org/publication/CookT06},
cites = {0},
citedby = {0},
journal = {ACM Trans. Comput. Log.},
volume = {7},
number = {4},
pages = {749-764},
}