@article{EXMATH_1989_1989_1_a0,
     author = {Fern\'andez, Jos\'e L.},
     title = {El conjunto l{\'\i}mite de grupos de {Klein} y {Fuchs.}},
     journal = {Extracta mathematicae},
     pages = {1-20},
     year = {1989},
     volume = {4},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1989_1989_1_a0/}
}