@article{10_4064_sm_96_2_159_166,
     author = {W. \.Zelazko},
     title = {A density theorem for {F-spaces}},
     journal = {Studia Mathematica},
     pages = {159--166},
     publisher = {mathdoc},
     volume = {96},
     number = {2},
     year = {1990},
     doi = {10.4064/sm-96-2-159-166},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-96-2-159-166/}
}