%0 Journal Article
%A Junnila, H. J. K.
%A Künzi, H. P. A.
%T Characterizations of absolute $F_{\sigma\delta}$-sets
%J Czechoslovak Mathematical Journal
%D 1998
%P 55-64
%V 48
%N 1
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_1_a4/
%G en
%F CMJ_1998__48_1_a4