Sven Ove Hansson, Erik J. Olsson. Levi Contractions and AGM Contractions: a Comparison. Notre Dame Journal of Formal Logic, 36(1):103-119, 1995.
@article{HanssonO95,
title = {Levi Contractions and AGM Contractions: a Comparison},
author = {Sven Ove Hansson and Erik J. Olsson},
year = {1995},
researchr = {https://researchr.org/publication/HanssonO95},
cites = {0},
citedby = {0},
journal = {Notre Dame Journal of Formal Logic},
volume = {36},
number = {1},
pages = {103-119},
}