@misc{BEIO_2022_38_1_a3,
     title = {A little big difference},
     journal = {Bolet{\'\i}n de estad{\'\i}stica e Investigaci\'on operativa},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {2022},
     url = {http://geodesic.mathdoc.fr/item/BEIO_2022_38_1_a3/}
}