@article{01627080,
title = {Perfect maps are exponentiable - categorically.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {8},
year = {2001},
pages = {457-464},
zbl = {1009.18001},
language = {en},
url = {http://dml.mathdoc.fr/item/01627080}
}
Richter, Günther; Tholen, Walter. Perfect maps are exponentiable - categorically.. Theory and Applications of Categories [electronic only], Tome 8 (2001) pp. 457-464. http://gdmltest.u-ga.fr/item/01627080/