@article{TAC_1999_6_a2,
     author = {Peter Hines},
     title = {The categorical theory of self-similarity},
     journal = {Theory and applications of categories},
     pages = {33--46},
     year = {1999},
     volume = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_1999_6_a2/}
}