@article{CTGDC_1994__35_4_351_0,
     author = {Vitale, Enrico M.},
     title = {On the characterization of monadic categories over set},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {351--358},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {35},
     number = {4},
     year = {1994},
     mrnumber = {1307268},
     zbl = {0824.18004},
     language = {en},
     url = {http://archive.numdam.org/item/CTGDC_1994__35_4_351_0/}
}