%0 Journal Article %A M. M. Zarichnyi %T Absorbing sets for $n$-dimensional spaces in absolute Borel and projective classes %J Sbornik. Mathematics %D 1997 %P 435-447 %V 188 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1997_188_3_a4/ %G en %F SM_1997_188_3_a4