Dorothy Bollman. Formal nonassociative number theory. Notre Dame Journal of Formal Logic, 8(1-2):9-16, 1967. [doi]
@article{Bollman67,
title = {Formal nonassociative number theory},
author = {Dorothy Bollman},
year = {1967},
doi = {10.1305/ndjfl/1093956239},
url = {http://dx.doi.org/10.1305/ndjfl/1093956239},
researchr = {https://researchr.org/publication/Bollman67},
cites = {0},
citedby = {0},
journal = {Notre Dame Journal of Formal Logic},
volume = {8},
number = {1-2},
pages = {9-16},
}