@article{MAN_1978__232_163066,
     author = {Walter Tholen},
     title = {Zum {Satz} von {Freyd} und {Kelly.}},
     journal = {Mathematische Annalen},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {232},
     year = {1978},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__232_163066/}
}