@article{05080413,
title = {Copower objects and their applications to finiteness in topoi.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {16},
year = {2006},
pages = {923-956},
zbl = {1113.18002},
language = {en},
url = {http://dml.mathdoc.fr/item/05080413}
}
Kenney, Toby. Copower objects and their applications to finiteness in topoi.. Theory and Applications of Categories [electronic only], Tome 16 (2006) pp. 923-956. http://gdmltest.u-ga.fr/item/05080413/