@article{QUE_1988_1988_1_a1,
     author = {Mu\~noz Gracia, M.{\textordfeminine} Pilar and Egozcue Rub{\'\i}, Juan Jos\'e and Mart{\'\i} Recobert, Manuel},
     title = {Estimaci\'on del polo y de la varianza del ruido en un modelo {ARMA} mediante filtrado no lineal.},
     journal = {Q\"uestii\'o},
     pages = {21-42},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1988},
     url = {http://geodesic.mathdoc.fr/item/QUE_1988_1988_1_a1/}
}