@article{DOCMA_2011__16__a15,
     author = {Cibils, Claude and Redondo, Mar{\'\i}a Julia and Solotar, Andrea},
     title = {Fundamental group of {Schurian} categories and the {Hurewicz} isomorphism},
     journal = {Documenta mathematica},
     pages = {581--595},
     publisher = {mathdoc},
     volume = {16},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2011__16__a15/}
}