@article{SM_1997_188_3_a4,
     author = {M. M. Zarichnyi},
     title = {Absorbing sets for $n$-dimensional spaces in absolute {Borel} and projective classes},
     journal = {Sbornik. Mathematics},
     pages = {435--447},
     publisher = {mathdoc},
     volume = {188},
     number = {3},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1997_188_3_a4/}
}