@article{10_4064_fm223_1_2,
     author = {Samuel Coskey and Tam\'as M\'atrai and Juris Stepr\={a}ns},
     title = {Borel {Tukey} morphisms and
 combinatorial cardinal invariants of the continuum},
     journal = {Fundamenta Mathematicae},
     pages = {29--48},
     publisher = {mathdoc},
     volume = {223},
     number = {1},
     year = {2013},
     doi = {10.4064/fm223-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm223-1-2/}
}