@article{TAC_2015_30_a48,
     author = {Mark Weber},
     title = {Operads as polynomial 2-monads},
     journal = {Theory and applications of categories},
     pages = {1659--1712},
     publisher = {mathdoc},
     volume = {30},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2015_30_a48/}
}