Tapani Hyttinen, Gabriel Sandu. Henkin Quantifiers and the Definability of Truth. J. Philosophical Logic, 29(5):507-527, 2000. [doi]
@article{HyttinenS00-0,
title = {Henkin Quantifiers and the Definability of Truth},
author = {Tapani Hyttinen and Gabriel Sandu},
year = {2000},
doi = {10.1023/A:1026533210855},
url = {http://dx.doi.org/10.1023/A:1026533210855},
researchr = {https://researchr.org/publication/HyttinenS00-0},
cites = {0},
citedby = {0},
journal = {J. Philosophical Logic},
volume = {29},
number = {5},
pages = {507-527},
}