Carlos E. Alchourrón, David Makinson. Maps between some different kinds of contraction function: The finite case. Studia Logica, 45(2):187-198, 1986. [doi]
@article{AlchourronM86,
title = {Maps between some different kinds of contraction function: The finite case},
author = {Carlos E. Alchourrón and David Makinson},
year = {1986},
doi = {10.1007/BF00373274},
url = {http://dx.doi.org/10.1007/BF00373274},
researchr = {https://researchr.org/publication/AlchourronM86},
cites = {0},
citedby = {0},
journal = {Studia Logica},
volume = {45},
number = {2},
pages = {187-198},
}