@article{SMJ2_2011_37_2_a3,
     author = {Arbit, A. V.},
     title = {The {Lindel\"of} number greater than continuum is u-invariant},
     journal = {Serdica Mathematical Journal},
     pages = {143--162},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2011_37_2_a3/}
}