@article{10_4153_CMB_2005_006_5,
     author = {Fabian, M. and Montesinos, V. and Zizler, V.},
     title = {Biorthogonal {Systems} in {Weakly} {Lindel\"of} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {69--79},
     year = {2005},
     volume = {48},
     number = {1},
     doi = {10.4153/CMB-2005-006-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2005-006-5/}
}