@article{GDZPPN002390027,
title = {The uniqueness of finite division for recursive equivalence types.},
journal = {Mathematische Zeitschrift},
volume = {76},
year = {1961},
pages = {3-7},
zbl = {0093.01203},
url = {http://dml.mathdoc.fr/item/GDZPPN002390027}
}
Friedberg, Richard. The uniqueness of finite division for recursive equivalence types.. Mathematische Zeitschrift, Tome 76 (1961) pp. 3-7. http://gdmltest.u-ga.fr/item/GDZPPN002390027/