@article{10_1017_S0017089500000999,
     author = {C\'ac, Nguyen Phuong},
     title = {A note on {K\"othe} spaces},
     journal = {Glasgow mathematical journal},
     pages = {152--155},
     year = {1970},
     volume = {11},
     number = {2},
     doi = {10.1017/S0017089500000999},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000999/}
}