@article{BSMF_1970__98__33_0,
     author = {Jurie, Pierre F.},
     title = {Anneaux monadiques libres. {H\'emimorphismes} unitaires libres},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {33--46},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {98},
     year = {1970},
     doi = {10.24033/bsmf.1693},
     mrnumber = {43 #4648},
     zbl = {0231.02082},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1693/}
}