@article{ARM_1987_23_2_a3,
     author = {Machner, Joachim},
     title = {Standard monads},
     journal = {Archivum mathematicum},
     pages = {77--88},
     year = {1987},
     volume = {23},
     number = {2},
     mrnumber = {930324},
     zbl = {0649.18006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1987_23_2_a3/}
}