@article{EXMATH_1991_1991_1_a24,
     author = {L\'opez-Raya, Juan T.},
     title = {Un m\'etodo no iterativo para la estimaci\'on del esqueleto.},
     journal = {Extracta mathematicae},
     pages = {123-125},
     publisher = {mathdoc},
     volume = {6},
     number = {2-3},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1991_1991_1_a24/}
}