@article{CLTM_1990_1990_1_a4,
     author = {Van Duc, Tong},
     title = {Una caracterizaci\'on del fibrado transverso.},
     journal = {Collectanea mathematica},
     pages = {35-44},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1990},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1990_1990_1_a4/}
}