@article{EXMATH_2005_2005_1_a19,
     author = {Tshikuna-Matamba, Tshikunguila},
     title = {Submersiones m\'etricas casi de contacto y tensores de curvatura.},
     journal = {Extracta mathematicae},
     pages = {291-306},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2005_2005_1_a19/}
}