@article{01141741,
title = {Protomodularity, descent, and semidirect products.},
journal = {Theory and Applications of Categories [electronic only]},
volume = {4},
year = {1998},
pages = {37-46},
zbl = {0890.18003},
language = {en},
url = {http://dml.mathdoc.fr/item/01141741}
}
Bourn, D.; Janelidze, G. Protomodularity, descent, and semidirect products.. Theory and Applications of Categories [electronic only], Tome 4 (1998) pp. 37-46. http://gdmltest.u-ga.fr/item/01141741/