@article{IM2_2014_78_3_a8,
     author = {E. M. Semenov and F. A. Sukochev and A. S. Usachev},
     title = {Geometric properties of the set of {Banach} limits},
     journal = {Izvestiya. Mathematics },
     pages = {596--620},
     publisher = {mathdoc},
     volume = {78},
     number = {3},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2014_78_3_a8/}
}