@article{ENMA_1990__2_186558,
     author = {Patrice Le Calvez},
     title = {\'Etude {Topologique} des {Applications} {D\'eviant} la {Verticale.} / {Patrice} {Le} {Calvez}},
     journal = {Ensaios Matem\'aticos},
     pages = {7--102},
     publisher = {mathdoc},
     volume = {2},
     year = {1990},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ENMA_1990__2_186558/}
}