@article{10_1017_S0017089500005413,
     author = {Khan, M. Ali},
     title = {An alternative proof of {Diestel's} theorem},
     journal = {Glasgow mathematical journal},
     pages = {45--46},
     year = {1984},
     volume = {25},
     number = {1},
     doi = {10.1017/S0017089500005413},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005413/}
}