@article{10_1017_S0017089501010096,
     author = {Berm\'udez, Teresa and Martin\'on, Antonio},
     title = {Chain-finite operators and locally chain-finite operators},
     journal = {Glasgow mathematical journal},
     pages = {113--121},
     year = {2001},
     volume = {43},
     number = {1},
     doi = {10.1017/S0017089501010096},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089501010096/}
}