@article{EXMATH_1987_1987_1_a25,
     author = {Gonz\'alez Jim\'enez, Santos and Mart{\'\i}nez L\'opez, Consuelo},
     title = {Relaci\'on de orden en anillos cuadr\'aticos de {Jord\'an} y un teorema de estructura},
     journal = {Extracta mathematicae},
     pages = {84-86},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1987_1987_1_a25/}
}