@article{BSMF_1972__100__97_0,
     author = {Ferrand, Daniel},
     title = {Monomorphismes et morphismes absolument plats},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {97--128},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {100},
     year = {1972},
     doi = {10.24033/bsmf.1732},
     mrnumber = {47 #6687},
     zbl = {0241.14001},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1732/}
}