Jacques Duparc. The Steel hierarchy of ordinal valued Borel mappings. Journal of Symbolic Logic, 68(1):187-234, 2003.
@article{Duparc03,
title = {The Steel hierarchy of ordinal valued Borel mappings},
author = {Jacques Duparc},
year = {2003},
researchr = {https://researchr.org/publication/Duparc03},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Logic},
volume = {68},
number = {1},
pages = {187-234},
}