@article{TAC_2002_10_a17,
     author = {Michael Barr},
     title = {HSP subcategories of {Eilenberg-Moore} algebras},
     journal = {Theory and applications of categories},
     pages = {461--468},
     publisher = {mathdoc},
     volume = {10},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2002_10_a17/}
}