@article{RCM_1979__13_181682,
     author = {Guillermo Restrepo S.},
     title = {Convergencia {De} {Sucesiones} {En} {Espacios} {De} {Banach.}},
     journal = {Revista colombiana de matematicas},
     pages = {155--170},
     publisher = {mathdoc},
     volume = {13},
     year = {1979},
     url = {http://geodesic.mathdoc.fr/item/RCM_1979__13_181682/}
}