@article{EXMATH_2000_2000_1_a8,
     author = {Garc{\'\i}a, Antonio G. and Hern\'andez Medina, Miguel A.},
     title = {Transformaci\'on regular de {Sturm-Liouville.}},
     journal = {Extracta mathematicae},
     pages = {193-206},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2000_2000_1_a8/}
}