@article{MAN_1961__144_160899,
     author = {P.J. HUBER},
     title = {Homotopy {Theory} in {General} {Categories.}},
     journal = {Mathematische Annalen},
     pages = {361--385},
     publisher = {mathdoc},
     volume = {144},
     year = {1961},
     zbl = {0099.17905},
     url = {http://geodesic.mathdoc.fr/item/MAN_1961__144_160899/}
}