@article{TAC_2001_8_a12,
     author = {J. Adamek and V. Koubek and V. Trnkova},
     title = {How large are left exact functors?},
     journal = {Theory and applications of categories},
     pages = {377--390},
     publisher = {mathdoc},
     volume = {8},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2001_8_a12/}
}