@article{02125643,
title = {Notions of flatness relative to a Grothendieck topology.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {12},
year = {2004},
pages = {225-236},
zbl = {1066.18003},
language = {en},
url = {http://dml.mathdoc.fr/item/02125643}
}
Karazeris, Panagis. Notions of flatness relative to a Grothendieck topology.. Theory and Applications of Categories [electronic only], Tome 12 (2004) pp. 225-236. http://gdmltest.u-ga.fr/item/02125643/