@article{EXMATH_2000_2000_1_a20,
     author = {Cabello S\'anchez, F\'elix and Fern\'andez Castillo, Jes\'us M. and Yost, David},
     title = {Teoremas de {Sobczyk} de {A} a {B.}},
     journal = {Extracta mathematicae},
     pages = {391-420},
     publisher = {mathdoc},
     volume = {15},
     number = {2},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_2000_2000_1_a20/}
}