@article{01699525,
title = {Exponentiability of perfect maps: Four approaches.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {10},
year = {2002},
pages = {127-133},
zbl = {1002.18008},
language = {en},
url = {http://dml.mathdoc.fr/item/01699525}
}
Niefield, Susan. Exponentiability of perfect maps: Four approaches.. Theory and Applications of Categories [electronic only], Tome 10 (2002) pp. 127-133. http://gdmltest.u-ga.fr/item/01699525/