@article{AFM_1993_18_2_a8,
     author = {Manuel Gonzalez},
     title = {Dual results of factorization for operators},
     journal = {Annales Fennici Mathematici},
     pages = {355--367},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1993_18_2_a8/}
}