@article{CMJ_2007__57_1_a22,
     author = {Ball, Richard N. and Hager, Anthony W.},
     title = {Monomorphisms in spaces with {Lindel\"of} filters},
     journal = {Czechoslovak Mathematical Journal},
     pages = {281--317},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2007},
     mrnumber = {2309966},
     zbl = {1174.05066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2007__57_1_a22/}
}