@article{CRMATH_2016__354_6_614_0,
     author = {Gon\c{c}alves, Icaro and Brito, Fabiano},
     title = {The {Euler} class of an umbilic foliation},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {614--618},
     publisher = {Elsevier},
     volume = {354},
     number = {6},
     year = {2016},
     doi = {10.1016/j.crma.2016.03.014},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2016.03.014/}
}