@article{10_4064_fm253_7_2016,
     author = {Dilip Raghavan and Saharon Shelah},
     title = {Two inequalities between cardinal invariants},
     journal = {Fundamenta Mathematicae},
     pages = {187--200},
     publisher = {mathdoc},
     volume = {237},
     number = {2},
     year = {2017},
     doi = {10.4064/fm253-7-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm253-7-2016/}
}