Andrey Bovykin. Resplendent models and S::1:::::1:::{/Sigma_1^1} -definability with an oracle. Arch. Math. Log., 47(6):607-623, 2008. [doi]
@article{Bovykin08,
title = {Resplendent models and S::1:::::1:::{/Sigma_1^1} -definability with an oracle},
author = {Andrey Bovykin},
year = {2008},
doi = {10.1007/s00153-008-0100-8},
url = {http://dx.doi.org/10.1007/s00153-008-0100-8},
researchr = {https://researchr.org/publication/Bovykin08},
cites = {0},
citedby = {0},
journal = {Arch. Math. Log.},
volume = {47},
number = {6},
pages = {607-623},
}