@article{MAN_1975__217_162761,
     author = {Walter Tholen},
     title = {Adjungierte {Dreiecke,} {Colimites} und {Kan-Erweiterungen.}},
     journal = {Mathematische Annalen},
     pages = {121--130},
     publisher = {mathdoc},
     volume = {217},
     year = {1975},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__217_162761/}
}