Yoshihiro Horihata. Weak Theories of Concatenation and Arithmetic. Notre Dame Journal of Formal Logic, 53(2):203-222, 2012. [doi]
@article{Horihata12, title = {Weak Theories of Concatenation and Arithmetic}, author = {Yoshihiro Horihata}, year = {2012}, url = {http://projecteuclid.org/euclid.ndjfl/1336588251}, researchr = {https://researchr.org/publication/Horihata12}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {53}, number = {2}, pages = {203-222}, }