@article{10_4064_fm124_8_2015,
     author = {Micha{\l} Machura and Saharon Shelah and Boaz Tsaban},
     title = {The linear refinement number and selection theory},
     journal = {Fundamenta Mathematicae},
     pages = {15--40},
     publisher = {mathdoc},
     volume = {234},
     number = {1},
     year = {2016},
     doi = {10.4064/fm124-8-2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm124-8-2015/}
}