@article{TE_1987_1987_1_a0,
     author = {Molina Soriano, Rafael and Fern\'andez Vivas, Concepci\'on},
     title = {Una caracterizaci\'on de dise\~nos de experimentos \'optimos por subgradientes.},
     journal = {Trabajos de estad{\'\i}stica},
     pages = {3-13},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1987},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/TE_1987_1987_1_a0/}
}