@article{RCM_1998_32_1_a1,
     author = {JAIME ARANGO ADRIANA G\'OMEZ},
     title = {Flows and diffeomorphisms},
     journal = {Revista colombiana de matematicas},
     pages = {13--27},
     year = {1998},
     volume = {32},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/RCM_1998_32_1_a1/}
}