@article{TAC_2001_8_a19,
     author = {Jiri Adamek and Robert El Bashir and Manuela Sobral and Jiri Velebil},
     title = {On {Functors} {Which} {Are} {Lax} {Epimorphisms}},
     journal = {Theory and applications of categories},
     pages = {509--521},
     publisher = {mathdoc},
     volume = {8},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2001_8_a19/}
}