@article{QUE_1989_1989_1_a11,
     author = {Pepio Vi\~nals, Montserrat and Polo Miranda, Carlos},
     title = {Estimaci\'on eficiente para la optimizaci\'on de un proceso.},
     journal = {Q\"uestii\'o},
     publisher = {mathdoc},
     volume = {13},
     year = {1989},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/QUE_1989_1989_1_a11/}
}