David Monniaux. A minimalistic look at widening operators. Higher-Order and Symbolic Computation, 22(2):145-154, 2009. [doi]
@article{Monniaux09-0,
title = {A minimalistic look at widening operators},
author = {David Monniaux},
year = {2009},
doi = {10.1007/s10990-009-9046-8},
url = {http://dx.doi.org/10.1007/s10990-009-9046-8},
researchr = {https://researchr.org/publication/Monniaux09-0},
cites = {0},
citedby = {0},
journal = {Higher-Order and Symbolic Computation},
volume = {22},
number = {2},
pages = {145-154},
}