@article{QUE_1993_1993_1_a4,
     author = {Mexia, Jo\^ao Tiago},
     title = {Variables pivote, tests y consistencia fuerte.},
     journal = {Q\"uestii\'o},
     pages = {365-370},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/QUE_1993_1993_1_a4/}
}