Bas Spitters. Located Operators. Math. Log. Q., 48(S1):107-122, 2002. [doi]
@article{Spitters02,
title = {Located Operators},
author = {Bas Spitters},
year = {2002},
doi = {10.1002/1521-3870(200210)48:1+<107::AID-MALQ107>3.0.CO;2-O},
url = {http://dx.doi.org/10.1002/1521-3870(200210)48:1+<107::AID-MALQ107>3.0.CO;2-O},
researchr = {https://researchr.org/publication/Spitters02},
cites = {0},
citedby = {0},
journal = {Math. Log. Q.},
volume = {48},
number = {S1},
pages = {107-122},
}