@article{urn:eudml:doc:38874,
title = {Interior idempotents and non-representability of groupoids.},
journal = {Stochastica},
volume = {7},
year = {1983},
pages = {5-10},
zbl = {0572.39006},
mrnumber = {MR0766886},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38874}
}
Krause, Gerianne M. Interior idempotents and non-representability of groupoids.. Stochastica, Tome 7 (1983) pp. 5-10. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38874/