@article{EXMATH_1987_1987_1_a18,
     author = {Gonz\'alez Ortiz, Manuel and Onieva Aleixandre, V{\'\i}ctor M.},
     title = {Factorizaci\'on de operadores y dualidad},
     journal = {Extracta mathematicae},
     pages = {65-67},
     publisher = {mathdoc},
     volume = {2},
     number = {2},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1987_1987_1_a18/}
}