Dominique Bourn, Zurab Janelidze. Subtractive Categories and Extended Subtractions. Applied Categorical Structures, 17(4):317-343, 2009. [doi]
@article{BournJ09,
title = {Subtractive Categories and Extended Subtractions},
author = {Dominique Bourn and Zurab Janelidze},
year = {2009},
doi = {10.1007/s10485-008-9182-z},
url = {http://dx.doi.org/10.1007/s10485-008-9182-z},
researchr = {https://researchr.org/publication/BournJ09},
cites = {0},
citedby = {0},
journal = {Applied Categorical Structures},
volume = {17},
number = {4},
pages = {317-343},
}