@article{SORT_2004_2004_1_a4,
     author = {Ferenstein, Elzbieta and Gasowski, Miroslaw},
     title = {Modelado de rentabilidades de acciones mediante procesos {AR-GARCH.}},
     journal = {Sort},
     pages = {55-68},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SORT_2004_2004_1_a4/}
}