@article{10_4153_CJM_1974_066_3,
     author = {Herrlich, Horst},
     title = {Regular {Categories} and {Regular} {Functors}},
     journal = {Canadian journal of mathematics},
     pages = {709--720},
     year = {1974},
     volume = {26},
     number = {3},
     doi = {10.4153/CJM-1974-066-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-066-3/}
}