@article{10_4064_sm172_3_2,
     author = {Bruno de Malafosse},
     title = {The space $S_{\alpha ,\beta }$ and $\sigma $-core},
     journal = {Studia Mathematica},
     pages = {229--241},
     publisher = {mathdoc},
     volume = {172},
     number = {3},
     year = {2006},
     doi = {10.4064/sm172-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm172-3-2/}
}