@article{bwmeta1.element.bwnjournal-article-fmv58i1p8bwm,
author = {A. Nerode},
title = {Combinatorial series and recursive equivalence types},
journal = {Fundamenta Mathematicae},
volume = {58},
year = {1966},
pages = {113-141},
zbl = {0168.01103},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv58i1p8bwm}
}
Nerode, A. Combinatorial series and recursive equivalence types. Fundamenta Mathematicae, Tome 58 (1966) pp. 113-141. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv58i1p8bwm/